Thermal ngu ai gaw hpa rai ta?

Thermal stability ngu ai gaw, nbung katsi ai shara hta nga ai shaloi, shi a chemical structure hte physical arawn alai ni hpe n-gun jaw lu ai atsam hpe tsun ai re. Ndai n-gun-a majaw hkrat sum ai lam hpe ninghkap lu ai atsam gaw, n-gun n-htum ai, n-gun n-htum ai, n-ra sharawng ai chemical reaction ni hpe n-hkam sha ai sha, n-gun n-htum ai -hkum hkrang n-gun kaba ai shara ni hta kam mai ai hku bungli galaw lu na hpe dawdan ya ai.

Hpa majaw nbung n-gun n-gun ahkyak ai

N kaja ai thermal stability a akyu gaw, asan sha nga ai arung arai hkrat sum ai lam hta grau nna galu kaba wa ai. Katsi ai npu hta arung arai ni hten za mat ai shaloi, byin pru wa ai lam gaw, arung arai a asak hpe shayawm kau ai kaw nna, tsin-yam tsindam byin wa ai du hkra rai chye ai.

N-gun shinggyin ai ladat ni hta, nbung n-gun n-gun n-rawng ai lam gaw grau nna grai sawng ai hkrit tsang hpa ni hpe shabyin ya nga ai.Batteri lithiumn-gun n-gun n-rawng ai daw ni gaw thermal runaway-a chain reaction hpe shabyin ya lu ai rai nna, dai hta n-gun n-gun n-hkap la lu ai sha lawan ladan byin wa nna, wan hkru ai (sh) bawm kapaw ai lam byin wa chye ai. 2024 ning kaw na sawk sagawn ai lam ni hta, lithium-ion battery ni hta thermal runaway gaw, electrode arung arai ni hta exothermic n-gun rawng ai lam ni hpe hkam sha hpang wa ai shaloi, 80℃daram n-gun rawng ai shara kaw nna hpang wa ai.

Hpaga lam ni mung thermal stability hta grai madung nga ai. N-gun ja ai shara hta galaw ai Chemical reaction ni hta n myit mada ai sha n-hten mat na reagents hte products ni ra nga ai. Nta kata na nbung katsi ai shara hta ngang grin ai zawn rai nga ai arai langai gaw, 150℃hta lawan ladan hten za mat nna, galaw shapraw ai batch yawng hpe hkra machyi shangun nna, hkrit tsang hpa masa ni hpe byin shangun chye ai.

Product a asak galu ai lam gaw thermal hpe ninghkap ai lam hte hkrak matut mahkai nga ai. Electronic jak ni gaw, n kaja ai n-gun n rawng ai arung arai ni hpe loi loi hte jahten kau ya ai bungli galaw ai n-gun hpe shapraw ya ai. Nbungli hte seng ai arung arai ni gaw nbungli langai lang hta -55℃kaw nna 150℃jan du hkra nbung katsi ai lam hpe hkrum sha nga ai. Ndai masa ni hpe n hkam sharang lu ai arung arai ni gaw aten garai n du yang hkrat sum mat nna, manu dan ai hku galai shai ra ai.

Thermal Stability hpe dawdan ya ai lam ni

Kaga langai hpe n-gun n rawng hkra galaw ya ai hpe chye na na matu, shada da matut mahkai ai lam law law hpe sawk sagawn ra ai.

Chemical n-gun hte matut mahkai n-gun

Substance langai a kata na atom ni hte bonds ni gaw shi a thermal behavior a npawt nhpang hpe shabyin ya ai. Ceramics zawn re ai inorganic n-gun ni gaw, organic n-gun ni hte shingdaw yang, grau kaja ai nbung n-gun hpe madun dan ai. Dai shai hkat ai lam gaw, n-gun atsam hta rai nga ai-silicon carbide zawn re ai ceramic arung arai ni hta nga ai n-gun ja ai covalent n-gun gaw, 1,000℃jan ai katsi ai hpe hkam sharang lu ai, organic polymer law law gaw 200-300℃hta hten za hpang wa ai.

Molecular a n-gun atsam mung shang lawm nga ai. Kaji ai molecule ni gaw, n-gun n law ai thermal stability hpe lu la chye ai, hpa majaw nga yang, shanhte gaw molecule n-gun ni hpe dang manga lu na matu, n-gun n-gun jaw ai shaloi, bond daw hka mat na grau sawng ai majaw re. Grau kaba ai, grau sawng ai molecule ni gaw, n-gun ja ai n-gun hpe grau nna ninghkap lu ai.

Crystalline hte Amorphous hkrang masa

Atom ni a hkum hkrang hkrang masa gaw thermal stability hpe grai hkra machyi shangun ai. Crystalline arung arai ni gaw, shanhte a n-gun rawng ai, hkan sa ai atom hkrang masa hte, n-gun ja ai-hkum hkrang n-gun rawng ai arung arai ni hpe grau nna galaw lu ai. Ndai structural regularity gaw grau kaba ai dinghpring ai lam hpe jaw ya ai-amorphous materials ni hta mu lu ai random arrangement hta grau nna thermal energy kaw na hkra machyi ai lam hpe grau nna ninghkap lu ai.

Kade nna ai aten hta cellulose nanomaterials ni hpe sawk sagawn ai shaloi, crystallinity index gaw nbung n-gun hte hkrak matut mahkai nga ai hpe mu lu ai. Crystalline grau law ai arung arai ni gaw, shanhte a amorphous ni hta 30-50℃grau law ai n-gun yawm mat ai lam hpe madun dan ai.

N san seng ai hte jat bang ai arung arai ni

N san seng ai arung arai ni loi mi sha pyi, thermal stability hpe grai galai shai kau ya lu ai. N san seng ai ni gaw, san seng ai arung arai ni hta loi loi hte n byin wa na zawn, n hkru n kaja ai lam ni hpe lawan ladan byin shangun ai, catalysts hku nna galaw chye ai. 2024 ning hta lithium-ion battery electrolytes hpe sawk sagawn ai shaloi, hka hta n san seng ai madang wan mi hta daw 50 daram sha nga yang, nbung n-gun hpe℃40 jan shayawm kau ya lu ai hpe mu lu ai.

Dai hte maren, yaw shada let jat bang ai gaw, nbung n-gun hpe jat ya lu ai. Polymer ni hta bang da ai thermal stabilizers ni gaw, galaw shapraw ai hte jai lang ai shaloi, oxidative hkra machyi ai lam hpe pat shingdang ya ai. Ga shadawn, laksan phosphorus-lawm ai n-gun dat ni gaw, ntsin nkau mi a n-gun n-gun hpe 300℃kaw nna 650℃daram du hkra jat ya lu ai.

grup yin masa

Thermal stability hpe vacuum hta n shadawn ai-makau grup yin masa ni gaw nbung npu hta arai ni gara hku galaw ai hpe grai shadut ya ai. Oxygen nga ai gaw, oxidative reaction hku nna, arai law law hta nbung n-gun hpe lawan ladan hkra machyi shangun ai. Inert nitrogen nbung hta 200℃hta ngang grin nga ai arung arai ni gaw nbung hte hkrum katut ai shaloi 150℃hta hten za mat chye ai.

Humidity hte moisture gaw grau nna manghkang ni hpe shabyin ya ai. Hka n-gun gaw, n-gun yawm mat ai lam ni hpe shabyin ya lu ai (sh) chemical garan ginhka ai lam ni hta hkrak shang lawm lu ai. Thermal stability hpe chyam dinglik ai shaloi, lachyum rawng ai, bai gram lajang mai ai mahtai ni hpe lu la na matu nbung masa hpe hkrak tsun dan ra ai.

Thermal Stability hpe gara hku shadawn ai

Thermal stability hpe shadawn shadang masat na matu, hkang zing da ai katsi ai lam hpe arung arai ni gara hku bai htang ai hpe hkan tam ai, grai kungkyang ai sawk sagawn ladat ni ra nga ai.

N-gun n-gun jep joi ai lam (TGA)

TGA gaw arung arai ni katsi wa ai hte maren mass galai shai ai lam hpe yu reng ai. Dai jak gaw, n-gun yawm ai hpe hkrak shadawn nna, nbung katsi ai hpe hkang lu ai n-gun hte, minit mi hta 10-20℃daram shadawn lu ai. Arung arai langai ngai hten za hpang wa ai shaloi, n-gun n rawng ai arung arai ni gaw hka lim mat ai (sh) n-gun rawng ai majaw, shadawn shadang n-gun yawm mat ai.

ASTM E2550 madang gaw thermal stability hpe "mass galai shai ai shadawn shadang hte rau, dai arai ni hten za hpang wa ai (sh) bai htang wa ai nbung laru" ngu nna lachyum shaleng da ai. Acetylsalicylic acid (aspirin) a matu, TGA gaw n-gun n rawng shi yang, nitrogen nbung npu hta 102℃du hkra n-gun rawng ai lam hpe madun dan ai.

Chyam dinglik ai parameters ni gaw mahtai hpe grai hkra machyi shangun ai. Sample mass, katsi ai n-gun, nbung n-gun, crucible amyu ni hpe arung arai ni hpe shingdaw ai shaloi, n galai shai ai sha nga ra ai. Aluminium oxide hka htung hta 5 milligram sample hpe 10℃/min hta katsi shangun ai gaw, n-gang hka htung hta 20℃/min hta katsi ai hte n bung ai data ni hpe shapraw ya ai.

N bung ai hku maram yu ai n-gun hpe jep ai (DSC)

DSC gaw hkang zing da ai nbung galai shai ai aten hta sample langai de (sh) sample kaw na nbung lwi ai hpe shadawn ai. Ndai ladat gaw, phase galai shai ai lam, hka lim ai shara, exothermic htum mat ai lam ni hpe sawk sagawn lu ai. Material ni gaw thermal decomposition byin ai shaloi, shanhte gaw nbung hpe shapraw kau ai (sh) hkap la ai-DSC gaw ndai n-gun galai shai ai lam ni hpe hkam sha lam kaba hte shadawn shadang masat da ai.

DSC gaw, shim lum ai bungli galaw ai masa hpe gawgap na matu ahkyak ai, n-gun yawm wa ai a npawt nhpang nbung katsi ai hpe chye ginhka lu ai hta grau kungkyang ai. Kade nna ai aten hta tsi mawan ni hpe galaw ai shaloi, DSC hpe lang nna, ciprofloxacin gaw 280℃du hkra nbung n-gun hpe n-gun jaw ya lu ai, ibuprofen gaw 152℃du hkra n-gun yawm mat wa ai hpe chye lu ai.

Lawan ai n-gun hpe shadawn ai (ARC)

ARC gaw near-adiabatic masa hta data ni hpe jaw ya ai, dai shara hta sample gaw grup yin de n law htum katsi ai lam hpe hkam sha ai. Ndai setup gaw thermal runaway hpe jep joi na matu grau sawng ai-masa ni hpe shingdaw ai. Ndai jak gaw, pat da ai hka htung kata na katsi ai hte n-gun rawt jat wa ai hpe yu nga ai shaloi, sample ni hpe hkang lu ai n-gun hte katsi shangun ai.

ARC gaw battery arung arai ni hpe jep joi ai lam hta grau nna manu dan ai hpe sakse madun wa sai. ARC hpe lang nna lithium-ion battery wan n-gun ni hpe chyam yu ai shaloi, n-gun n-gun npu hta 138.5℃grup yin hta n-gun yawm mat wa hpang wa nna, 271℃hta hkum tsup hkrat sum mat wa ai hpe mu lu ai. Ndai shadawn shadang ni gaw engineer ni hpe shim lum ai shara ni hte htap htuk ai nbung hpe hkangzing ai ladat ni hpe hkrang shapraw na matu karum ya ai.

Hpaga lam shagu hta jai lang ai lam ni

Thermal stability ra kadawn ai lam ni gaw, jai lang ai lam hta hkan nna grai shai hkat nga ai, raitim, npu kaw na ahkyak ai lam gaw n galai shai ai sha nga ai.

N-gun mahkawng da ai shara hte Battery ni

Battery hpaji gaw thermal stability ra kadawn ai lam ni hpe shanhte a shadawn sharam de shadut ya ai. Lithium-ion battery ni gaw n-gun n law ai nbung laru window kata kaw kaja wa bungli galaw lu ai, raitim charge galaw ai, discharge galaw ai, shinggan masa ni gaw shanhte a nbung n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun (thermal stability threshold) hta lai nna, n-gun n-gun hpe shapraw kau lu ai.

Nickel-law ai battery ni hta lawm ai cathode arung arai ni gaw grau nna yak hkak ai lam ni hpe shabyin ya nga ai.℃jan tsaw ai nbung katsi ai shara ni hta, charged cathodes ni gaw oxygen hpe shapraw ya ai structure hten za ai lam hpe hkrum sha nga ai-thermal runaway rawt jat galu kaba wa ai lam hta ahkyak ai lahkam langai mi re. Grain structure ni hpe engineering galaw nna makawp maga ai coating ni hpe bang ai gaw cathode a n-gun hpe grau kaja hkra galaw ya lu ai, ya aten hta rawt jat galu kaba wa ai arung arai nkau mi gaw 250℃du hkra n-gun hpe n-gun jaw lu ai, moi na lithium cobalt oxide cathode ni a matu 130℃du hkra n-gun hpe n-gun jaw lu ai.

Battery electrolytes ni hpe n-gun rawng ai hku n-gun rawng hkra atsawm sha galaw ra ai. Standard LiPF6-madung tawn ai wan n-gun ni gaw, n-gun n law ai shara (60-85 degree) hta n-gun yawm mat nna, shim lum ai bungli galaw shara ni hpe pat shingdang kau ya ai. Kade nna ai aten hta, lithium bis(trifluoromethanesulfonyl)imide (LiTFSI) hte lithium difluoro(oxalato)borate (LiODFB) hpe kayau nna galaw ai dual-salt electrolytes ni gaw, n-gun n-gun hpe grai kaja hkra galaw ya ai hpe madun dan ai, n-gun n-gun hpe 360 ​​degree/5 hta jan nna, n-gun hpe k3J/50 hta jan hkra galaw ya ai.

Solid-state battery hkrang ni gaw nbung n-gun hpe makawp maga ai lam hta rawt jat galu kaba wa ai lam hpe madi madun nga ai. Lithium- hpe madung tawn ai battery hkrang masa amyu myu 7 hpe shingdaw sawk sagawn ai shaloi, LLZO (lithium lanthanum zirconium oxide) zawn re ai oxide electrolyte ni hpe lang ai solid-state system ni gaw, polypropylene garan ginhka ai jak ni lang ai htunghking hkrang masa ni hte shingdaw yang, grau kaja ai nbung n-gun hpe madun dan ai hpe mu lu ai. Dai ceramic arai ni gaw, moi na battery ni hta short circuit byin shangun ai shrinkage hte melting hpe ninghkap lu ai.

Nbungli hte n-gun ja ai-hpyen n-gun hpe jai lang ai lam

Nbungli hte seng ai arung arai ni gaw grai katsi ai shara ni hta bungli galaw ai. Nbungli turbine blade ni gaw 1,000℃jan katsi ai hpe hkam sharang lu ai sha n-ga, npawt nhpang hpe mung n hkrat sum hkra galaw lu ai. Ndai lang na matu ra ai arung arai ni-madung hku nna nickel, cobalt, hte n-gun n rawng ai nhprang rai ni lawm ai superalloys ni-ni hpe shanhte a n-gun n rawng ai arung arai ni a matu laksan lata la ai.

Aluminium alloys ni gaw nbungli ntsa hta myit lawm hpa thermal stability manghkang ni hpe shabyin ya nga ai. Aluminium gaw grai kaja ai n-gun-to-hkum hkrang n-gun ratio ni hpe jaw ya ai raitim, nbung n-gun n-gun n-gun n-gun n-rawng ai shara ni hta jai lang na matu pat shingdang da ai. AA2618 aluminum alloy gaw 150-180℃hta bungli galaw ai turbocharger impeller ni hta jai lang ai lam hpe mu lu ai, raitim, aluminum a n-gun n-gun hpe 400℃hta jan nna jat ya ai gaw, matut manoi sawk sagawn ai lam naw rai nga ai. Awng dang ai lam gaw, aluminum hpe grau ra kadawn ai bungli ni hta grau li ai titanium hte nickel alloy ni hte shingjawng lu shangun na re.

Lamu ga ntsa sanghpaw li bai shang wa na matu Heat shield ni gaw, grau sawng ai thermal stability ra kadawn ai lam ni hpe hkrum sha nga ai rai na re. Ndai arung arai ni gaw 1,650℃du hkra katsi ai hpe ninghkap lu ai sha n-ga, mawdaw a npawt nhpang de katsi ai hpe mung pat shingdang ra ai. Carbon-carbon composites hte ablative materials ni gaw hkang zing da ai ladat ni hte hten za mat ai hpe ndai ra sharawng ai lam ni hpe hkap la lu ai, raitim, hpang na-prat na nbung makawp maga ladat ni hpe gyin shalat ai gaw material hpaji masa a lamu ga jarit ni hpe matut nna shadut nga ai.

Chemical galaw shapraw ai hte galaw shapraw ai lam

Chemical process ni hta thermal stability grai ahkyak ai shara de du wa ai nbung katsi ai lam ni law law lawm ai. 200-300℃hta galaw ai reaction ni hta ngang grin ai reagents, products, hte reactor arung arai ni ra ai. N myit mada ai sha hten za mat ai gaw, hprawng mat wa ai n-gun ni hpe shabyin ya nna, grai katsi ai hte n-gun hpe shabyin ya ai majaw, shim lum lam hpe hkra machyi shangun ai.

Thermal stability hpe jep joi ai lam gaw, tsi mawan galaw shapraw ai hta, masat da ai lailen langai byin wa sai. Laksan scanning calorimetry chyam dinglik ai lam ni gaw, galaw sa wa ai lam hpe shawng nnan kaw nna byin mai ai hkrit tsang hpa ni hpe chye na lu ai. 2024 ning na bai maram yu ai lam langai hta, n-gun yawm mat ai ladat ni hpe chye na na matu-autocatalytic lam ni hpe hkan sa ai rai tim, first-order kinetics- gaw shim lum ai bungli galaw masa ni hpe hkrang shapraw na matu hte shim lum ai garum ningtum masa ni hpe hkrak hkrak shadawn shadang tawn na matu ahkyak ai lam re ngu ahkyak shatai tsun da ai.

N-gun ja ai shara hta lang ai Catalysts hte sorbents ni gaw, n-gun n-jahten ai sha, shanhte a akyu hpe matut manoi tawn da ra ai. Organotin n-gun dat ni hte galai shai ai platinum-hkum tsup ai zeolites ni gaw 300℃jan n-gun n-gun hpe madun dan ai majaw, n-gun ja ai -n-gun dat n-gun jat ai lam ni hta jai lang lu ai.

Polymer hte Plastic ni

Polymer thermal stability gaw galaw ai masa hte jahtum-lang lang ai lam ni hpe dawdan ya ai. Polymer law law gaw, n-gun dat (sh) n-gun dat ai shaloi, katsi ai shaloi, oxidative hten za mat ai. Hpaga galaw ai ni gaw, n-gun n-gun shayawm ya ai tsi ni-antioxidants hte n-gun n-gun shayawm ya ai -ni hpe jat bang nna, chain scission hpe pat shingdang na matu hte jak rung atsam ni hpe n-gun shayawm ya ai.

Polytetrafluoroethylene (PTFE, Teflon ngu nna shamying ai) gaw mau hpa nbung n-gun hpe madun dan nna, 400℃jan hta mung n-gun n rawng ai sha naw nga nga ai. Ndai laklai ai hkrang shapraw ai lam gaw, shi a n-gun n-gun (-47 kcal/mol) hte n-gun n-gun (-45 entropy units/mole) kaw na pru wa ai rai nna, dai ni gaw polyethylene zawn re ai n-gun n-gun ni hta grau kaja ai hpe mu lu ai.

Lusha shinggyin ai lam hta, n-gun n rawng ai hte n-gun ja ai-hpring ai lam ni hta, n-gun hpe n-gun n rawng hkra galaw ya lu ai polymers ni ra nga ai. Polypropylene, polyethylene terephthalate (PET), hte n-gun ja ai polyethylene ni gaw ndai lang ai lam ni hpe law malawng galaw ya ai, FDA-hkap la da ai n-gun ja ai tsi ni (galaw madang hku nna calcium{4}}zinc hpe madung tawn ai) ni gaw n-gun ja ai hku galaw ai shaloi shim lum lam hpe madi shadaw ya ai.

Katsi ai n-gun hpe jat ya ai

Materials hpaji ninghkring ni gaw shingra tara arung arai ni ra kadawn ai hta n-gun yawm mat ai shaloi, nbung n-gun hpe grau kaja hkra galaw na matu ladat law law hpe jai lang ma ai.

Ntsa ntsa galai shai ai lam ni hte shingnip shingna ni

Makawp maga ai ntsa lam ni hpe bang ai gaw, arung arai ni a lapran kaw nna hpang wa ai hkra machyi ai lam ni hpe pat shingdang ya ai. Battery cathode ni hta, aluminum oxide (sh) kaga ceramics ni hte ntsa kaw ka-up da ai gaw, oxygen pru wa ai hpe pat shingdang ya nna, nbung katsi ai shara hta electrode arung arai hte electrolyte lapran hkrak matut mahkai ai lam hpe pat shingdang ya ai.

Dai coating thickness matters-grai n-gun n law ai majaw n law htum makawp maga lam jaw ya ai, grai n-gun ja ai coating gaw ninghkap ai lam hpe jat ya nna electrochemical a bungli hpe shayawm ya ai. Kaja dik ai shingnip ni gaw 2-5 nanometers kaw nna rai nna, lithium-ion htaw sa ai lam hpe n-gun jaw ai sha n ra sharawng ai n-gun ni hpe pat shingdang lu ai.

Doping hte Hkrang Hkrang Hpaji

Crystal structures ni hta laksan element ni hpe bang ai gaw thermal stability hpe grai jat ya lu ai. Aluminium, magnesium, titanium zawn re ai n-gun dat ni hpe battery cathode arung arai ni hta bang dat ai gaw, n-gun dat n-gun shayawm ai aten hta byin pru wa ai phase galai shai ai lam ni hpe pat shingdang ya ai.

Nickel-law ai cathode arung arai ni hpe sawk sagawn ai shaloi, langai sha re ai -crystal n-gun ni gaw, n-gun n-gun bung ai polycrystalline n-gun ni hta grau kaja ai n-gun n-gun hpe madun dan ai hpe mu lu ai. Polycrystalline arung arai ni hta na grain lamu ga jarit ni gaw oxygen pru wa ai shara ni hpe jaw ya ai majaw, shanhte hpe nbung laru hte hkra machyi shangun ai.

Hkrang shapraw ai ladat ni

Microstructure madang hta engineering arung arai ni gaw, nbung n-gun hpe grau kaja hkra galaw na matu kaga lam langai mi hpe jaw ya nga ai. Core-shell structures ni gaw, n-gun kaba ai-hkum hkrang kata na core grup yin hta, n-gun n-gun n-rawng ai shinggan n-gun hpe tawn da nna, bungli galaw ai lam hte shim lum ai lam hpe kayau kaya galaw ai. Concentration gradient design ni gaw, particle lapran kaw nna npu de du hkra, n-gun hpe galai shai shangun nna, ngang grin ai hkrang hpe shabyin ya ai.

Aluminium alloys ni hpe nau nna ai aten hta galaw ai bungli gaw, nbung n-gun n rawng ai hka htung ni hpe shabyin ya ai galai shai ai nlung ni hpe jat bang ai lam hpe sawk sagawn ai. Ndai precipitates ni gaw, nbung katsi ai shara ni hta coarsening hpe ninghkap lu nna, n rai yang hkrat sum mat na mechanical atsam ni hpe makawp maga ya lu ai.

Hpaji rawng ai nbung hpe hparan ai lam

Kalang lang n-gun n-gun hpe gram lajang ai gaw n law ai-active thermal management gaw ra kadawn wa ai. Battery system ni hta, thermal stability hpe hkra machyi shangun ai temperature de n du hkra, n-gun ja ai cooling system ni hpe grau grau bang wa ai.

Lithium-ion battery ni a matu htuk manu ai n-gun hpe hkang ai ladat ni gaw, n-gun n law ai shara kaw katsi ai hpe n-gun jaw ya ai sha n-ga, lawan ai hku charge galaw ai shaloi grai katsi ai hpe mung makawp maga ya ai. Ndai masa ni gaw, arung arai ni a shingra tara n-gun hpe n galai shai ya ai sha, shim lum ai n-gun window kata kaw sha bungli galaw shangun ai.

Galoi mung san ai ga san ni

Gara temperature range gaw kaja ai nbung n-gun hpe tsun dan ai kun?

Kaja ai nbung n-gun gaw context- hta hkan nna rai nga ai. Lusha shinggyin ai hta lang ai polymer ni a matu, 120-150℃du hkra ngang grin ai lam gaw, n-gun n rawng hkra galaw ai lam ni a matu ram sai. Nbungli turbine a daw ni gaw 1,000℃jan ngang grin ra ai. Battery arung arai ni gaw, shanhte a grau sawng ai bungli galaw ai nbung katsi ai hta grau nna, n yawm htum 50-100℃shimlam margin hte ngang grin ai lam ra nga ai. Ahkyak ai gaw, thermal stability hpe, dai application a nbung laru hpe hkam sha ai lam hte maren shatai ai lam re.

Arung arai langai hpe galaw ngut ai hpang, thermal stability hpe grau kaja hkra galaw lu na kun?

Post-hpaga galaw ai lam hta gram lajang ai lam gaw loi mi sha rai tim mai byin ai. Coating bang ai zawn re ai ntsa lam hpe galaw ai gaw, galaw ngut sai arai ni a thermal stability hpe jat ya lu ai. Thermal stabilizer additives ni gaw galaw shapraw ai shaloi bang ai shaloi kaja dik htum bungli galaw ai, raitim nkau mi gaw npu -ni lang ai stabilizers ni gaw loi mi sha rawt jat wa ai. Base material a shingra tara (sh) crystalline structure hpe galai shai ra ai structure galai shai ai lam ni hpe galaw shapraw ai shaloi byin ra ai.

Nbung n-gun hte n-gun n-gun gara hku shai ai kun?

Ndai atsam marai ni gaw, tsep kawp shai ai arawn alai ni hpe shadawn ai. Thermal stability ngu ai gaw katsi ai npu hta chemical (sh) hkrang galai shai ai lam ni hpe ninghkap lu ai atsam hpe tsun ai. Thermal conductivity ngu ai gaw, arai langai ngai hku nna kade daram hkrak hkra katsi ai hpe shadawn ai. Material langai gaw thermal conductivity grai law ai (katsi ai hpe lawan ai hku htawt sit ya lu ai) rai nna, grai kaja ai thermal stability (n htum mat ai) hpe mung hkam la lu ai. Dai hte maren, n kaja ai thermal conductivity nga ai arung arai ni gaw, n-gun n law ai shara ni hta hten za mat yang, thermal stability naw n nga ai rai na re.

Hpa majaw galaw shapraw ai ni gaw nbung n bung ai npu hta thermal stability hpe tsun da ai kun?

Nbung gaw nbung n-gun hpe grai hkra machyi shangun ai. Oxygen gaw oxidation reaction hku nna arai law law hta n-gun yawm mat ai hpe lawan ladan galaw ya ai. Inert nitrogen nbung hta chyam dinglik ai gaw, oxidative effects n lawm ai sha, kata na nbung n-gun hpe shadawn ai. Nbung nbung hpe chyam yu ai shaloi, tengman ai-mungkan oxygen-lawm ai grup yin ni hta, arung arai ni gara hku bungli galaw ai hpe mu lu ai. Nkau mi gaw vacuum (sh) hkang zing da ai nbung hta byin pru wa ai majaw, dai masa ni hta chyam dinglik ra ai. Test atmosphere hpe masat da ai gaw, mahtai ni hpe teng sha jai lang ai masa hte seng ai hpe kam shangun ai.

Thermal stability gaw, arung arai lata ai lam hte engineering galaw ai lam hta ahkyak ai myit yu ra ai lam langai hku nna matut nna rawt jat wa nga ai. Arung arai ni gaw katsi ai -a majaw hkra machyi ai lam hpe gara hku ninghkap lu ai hpe chye na ai gaw, shani shagu lang ai arung arai ni kaw nna, rawt jat galu kaba wa ai n-gun shinggyin ai ladat ni du hkra, jai lang ai lam yawng hta grau kaja ai hkrang shapraw lam ni hpe galaw lu shangun ai. Chyam dinglik ladat ni, ngang grin ai ladat ni, hte n-nan ai arung arai ni hpe matut manoi gyin shalat ai lam gaw, nbung laru hku nna byin mai ai lam ni a lamu ga jarit ni hpe shadut ya nna, nbung laru n law ai majaw, shawng de n mai lang ai application ni a matu chyinghka hpaw ya nga ai.