Carburized Daw ni a matu shada da n-gun kya ai lam ni hte jawm galaw ai lam ni
Carbilied layer hta zawn re ai carbid ni hpe mu lu ai .
Hkamja lam hte seng ai lam ni:
Grai law ai npu na carbon n-gun
1. Hka lim ai carburizing hta grai law ai hka htung n-gun
2. hkang zing da ai nbung laru hta n-gun grai ja ai gas
3. Hka ntsin carurize galaw ai shaloi, hka htung kata hta cyanide law law lawm ai
4. Carburized layer hpe nbung katsi ai hpang grai lawan ai hku katsi ai
Hpaji jaw ai lam ni:
. Shing nrai, carbruzing aten hta droplet volume hpe shayawm kau u.
2. ngang kang ai carburiing hta lang ai catalyst hpe shayawm kau na.
3. Liquid carburize phase hta cyanide hpe shayawm kau na.
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5. Hka lum ai shara hpe 50-80℃jat nna, hkam la ai aten hpe htap htuk ai hku jat wa na.
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Carburized layer hta n-gun kaba ai n-gun rawng ai austenite ni pru wa ai.
N kaja ai lam ni:
1. Austenite gaw n-gun n rawng ai, carbon law ai hte alloying element ni lawm ai.
2. Tempering gaw aten galu mat ai majaw, austenite hpe thermal stabilization byin shangun ai.
3. Tempering ngut ai hpang grai loi ai hku katsi mat ai.
Hpaji jaw ai lam ni:
1. Surface carbon n-gun grai n law ging ai.
2. Grade 3 hta grau nna (sh) maren sha (sh) dai hte maren sha rai nga ai core ferrite madang hpe n-gun n-gun hpe hkang lu na matu, n-gun n-gun hpe hkrak n-gun shayawm ai (sh) bai gram lajang ai lam hpe shayawm kau na.
3. Npu kaw na n-gun yawm ai hpang katsi mat ai.
4. Reheat quenching hte katsi ai tsi lajang ai lam ni hpe mai galaw ai, shing nrai, n-gun ja ai n-gun n-gun yawm ai lam hpe mung mai galaw ai.
Surface decarburization.
N kaja ai lam ni:
1. Gas carburizing a hpang jahtum daw hta wan wut ai wan n-gun a carbon n-gun yawm ai.
2. N-gun ja ai carburizing ngut ai hpang grai lawan ai hku katsi mat ai.
3. Carbuzing ngut ai hpang grai galu ai nbung katsi ai lam.
4. Makawp maga ai lam n nga ai katsi ai hpe katsi hkra galaw ai.
5. Nbung hpe makawp maga ai gas n lawm ai sha nbung laru hpe n-gun dat ai.
6. Hka lum ai aten hta n-gun n rawng ai sha, hka htung n-gun yawm mat ai.
Hpaji jaw ai lam ni:
1. Htap htuk ai carbon atsam nga ai ladat langai hta bai gram lajang na.
2. Hkap lang ngut ai hpang peening galaw u.
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Hka ja ngut ai hpang, carbuized layer gaw troostite hkrang (hpraw nsam) hpe galaw shapraw ai.
N kaja ai lam:
Carburi hpawng hta oxygen grai law ai: Oxygen gaw mam lamu ga jarit ni de hprawng shang wa nna, Cr, Mn, Si ni a oxides byin pru wa nna, alloying elements ni hpe shayawm kau ya nna, n-gun ja ai lam hpe shayawm ya ai.
Hpaji jaw ai lam ni:
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2. Shot peening hpe tsi ladat hku lang mai ai.
3. Hka lim ai shara a katsi ai atsam hpe grau kaja hkra galaw na.
Core hta grai law ai ferrite gaw n law htum n-gun ja ai lam hpe byin shangun ai.
N kaja ai lam ni:
1. N-gun yawm ai nbung laru
tsa
3. Core kata kaw n-gun n rawng ai ferrite .
4. Austenite n-gun rawng ai arung arai ni hpe madung tawn ai
Hpaji jaw ai lam ni:
1. Kaja ai ladat hte maren, hka n-gun shayawm nna sat kau na
2. Htap htuk ai hku nna htum mat ai nbung hpe jat nna, hkam la ai aten hpe jat ya na
Carburized layer sung ai n-gun n rawng ai
N kaja ai lam ni:
1. Hka htung n-gun n law ai hte n-gun n law ai aten
2. Carburizing agent n law ai
3. Wan hkru ai lam ni
4. Hka lum ai hka shin ai lam n kaja ai lam
5. Hka htung law law bang ai
6. Bungli galaw ai shara ntsa kaw na Oxide scale (sh) carbon n-gun ni
Hpaji jaw ai lam ni:
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2. Carburize sau nnan hte bungli galaw ai masa ni hpe grau ngang kang hkra jep joi yu na.
3. Daw ya ai lam hpe atsawm sha san ra ai.
4. Carburized layer grai n-gun n rawng yang, gram lajang mai ai. Dai gram lajang ai lam gaw, n-gun n-gun n-gun n-gun n-gun n-nga ai, 0.1 mm/h daram rai nga ai.
N-dai aten na carburized layer sung ai lam
N kaja ai lam ni:
1. N-gun n rawng ai wan n-gun
2. N kaja ai wan wut ai shara nbung hkawm sa ai lam
3. Carbon nsam hpraw ai nsam gaw ntsa kaw
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5. Daw ntsa kaw na sau, sau nsam ni, etc .
6. N htap htuk ai daw hpe ntsa lam n kaja ai lam
7. Daw ni a n-gun n rawng ai lam n nga ai
8. Raw arung arai hta banded structure
Hpaji jaw ai lam ni:
1. Carburize n galaw shi yang, daw ni hpe san seng hkra galaw u
2. Hka htung kata na carbon dat ni hpe shaw kau na
3. Cmpling galaw ai shaloi, daw ni a lapran hta pyi, garan ginhka ai lam hte maren mara gap hkat ai lam ni hpe galaw na.
4. Furnace nbung laru bung ai lam hpe ayan jep yu u
5. raw material hta banded structure n nga ai
6. Hka htung a nbung laru, nbung laru, hte htaw ai masa ni hpe ayan jep yu na .
ntsa lam n-gun yawm ai
N kaja ai lam ni:
1. Ntsa na carbon n law ai
2. Ntsa kaw grai law hkra n-gun rawng ai austenite
3. Ntsa lam ntsa hta Troostite byin pru wa ai
4. N-gun ja ai nbung katsi ai lam gaw, austenite de carbon law law hpe garan kau ai majaw, n-gun n-gun law law hpe n-gun dat ngut ai hpang, n-gun n-gun law law hpe hkam la lu ai.
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6. Tempering temperature grai law ai.
Hpaji jaw ai lam ni:
1. Carbon n law ai; re{1}}}infiltration gaw mai byin ai.
2. Grai law hkra n-gun rawng ai austenite: Re{1}}quenching hpe hkan nna, n-gun kaba ai shara kaw nga ai.
3. Croostite structure: Re{1}}quenching byin mai ai.
4. N-gun ja ai n-gun hpe tsi lajang ai lam hpe sharin ya ai.
Surface n-gun n rawng ai hte oxidation.
N kaja ai lam gaw:
1. Hka, sulfur, sulfates ni lawm ai carburizing agent hpe hkrang shapraw ai.
2. Gas gaw wan wut ai shara ni hpe carnaice galaw ai. Solid carburizing galaw ai shaloi, accelerator gaw bungli galaw ai piece ntsa kaw hka lim mat ai. Liquid carburizing galaw ngut ai hpang, ngam ai sau gaw bungli galaw ai piece ntsa hpe hkan nang ai.
3. High{1}} n-gun n rawng ai wan wut kaw na pru wa ai.
4. N hkum tsup ai sau wan wut ai lam; makawp maga ai nbung n nga ai nbung n-gun n-gun hta katsi ai; hte shat shadu ngut ai hpang lawan ladan n san seng hkra galaw ai.
5. N san seng ai daw hpe ntsa lam.
Hpaji jaw ai lam ni:
1. Carburizing agent hte hka shin ai hka htung a n-gun hpe ngang ngang jum tek da ai.
2. Arung arai ni hpe ayan jep yu u.
3. San seng ai hte hka shin ai daw ni hpe lawan ladan galaw ra ai.
4. Ladat ni hpe ngang ngang hkan sa ai.
Carbulied daw ni htum mat ai
N kaja ai lam ni a lam:
1. Grai n-gun n rawng ai, n bung ai microstructural galai shai ai lam.
2. Alloy steel gaw carburizing ngut ai hpang nbung- katsi ai shaloi, n galai shai ai austenite langai mi gaw npu na troostite npu kaw naw nga ai. Hpang na katsi ai aten hta (sh) nta kata na nbung katsi ai shara hta tawn da ai aten hta, ndai layer gaw martensite de galai shai wa nna, n-gun hpe jat ya ai hte tensile stress hpe shabyin ya ai.
3. Shawng nnan na quench (sh) yak hkak ai bungli galaw ai hkrang hta grai lawan ai hku katsi ai.
4. Grai ngang kang ai n-gun n-gun n-gun hpe n-gun jaw ai lam (Mo, B).
Hpaji jaw ai lam ni:
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2. Martensite + hpe n-gun jaw ai austenite hpe lu la na matu, n-gun shayawm ai hpang, katsi ai hpe lawan ladan shapraw kau u, dai hku nna, kata na n-gun n-gun (microstructural galai shai ai lam) a majaw byin pru wa ai tensile stress hpe shayawm kau ya lu ai.
3. Hka lim ai aten hta cracking galaw na matu, n-gun shayawm ai n-gun, trace elements ni hte process test ni hpe galaw u, shing nrai, n-gun n-gun hpe jat ya ai.
Hydrogen hpe n-gun kaba ai hta n-gun dat ai
N kaja ai lam ni a lam:
1. Hka htung gas hta hydrogen law law lawm ai.
2. Carburizing n-gun grai law ai gaw hydrogen diffusion hpe loi shangun ai.
3. Carburizing galaw ngut ai hpang direct quenching galaw ai gaw hydrogen hpe n-gun n rawng hkra pat shingdang nna, n-gang hpe supersaturated masa hta tawn da ai.
Hpaji jaw ai lam ni:
1. Carburizing ngut ai hpang n-gun n rawng ai.
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3. Carburizing agent hpe n-gun n-gun n-nga shi yang jahkring kau u, dai daw hpe nitrogen hte hka htung hpe htu nna, dai hpang hkrak sha htum mat u.
Carburized layer hta carbon n law ai.
N kaja ai lam ni:
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2. Carbon black byin pru wa ai (sh) bungli galaw ai shara ntsa hta nsam hpraw ai, wan wut ai grai law ai.
3. N-gun n rawng ai wan wut ai shara (sh) wan n-gun n law ai majaw, si ai shara ni byin pru wa ai.
4. Bungli galaw ai ni a lapran tsan gang ai lam grai n law ai majaw, wan wut ai n kaja ai lam byin chye ai.
5. Post-carburizing aten hta decarbuliation galaw ai.
Hpaji jaw ai lam ni:
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2. Hpun gas hte pressure hpe myit maju jung u.
3. Furnace leaks hte fan stall ni (sh) reverse rotation hpe pat kau na.
4. Bungli galaw ai ni a lapran n bung ai lam 1 cm.
5. Carbon black hpe ayan wan nat kau nna, wan wut ai wan n-ga hta san seng ai carbon n-gun ni hpe wan nat kau nna, carburized daw ni hpe katsi ai shara kaw katsi hkra katsi hkra galaw u. Cheosene (sh) methanol hpe makawp maga na matu hka htung kata de ru bang u.
Grai n-gun ja ai carburized layer
N kaja ai lam ni:
1. Nbung katsi ai lam grai tsaw ai, aten grai na hkra hkam sharang ai
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3. Sample hpe n hkrak ai hku jep yu na
Hpaji jaw ai lam ni:
1. Hpa majaw byin ai lam hpe madung tawn nna galaw sa wa ai lam hpe shadawn shadang .
2. sumla a ntsa tsang hta jan ai carurized layers ni gaw n-gun n rawng ai. Raitim, dai n bung ai lam gaw sumla hkrung a masat da ai lam kaw na 0.05mm kata kaw rai yang, shanhte hpe tara rung hku nna hkap la mai ai (sh) bai lang na matu jai lang mai ai.
Carburized daw ni hpe grai law hkra galai shai kau ai
N kaja ai lam ni:
1. Carnarizing wan wut ai ladat (sh) fixture lata ai lam hpe n kaja ai hku lata ai
2. Nbung katsi ai lam grai law ai, n bung ai hte n ngang grin ai wan wut ai wan n-gun hte n-gun dat ni
3. Direct n-gun grai law ai .
4. Lahkawng lang n-gun n rawng ai hku hkyen lajang ai lam
5. N tara ai hku katsi ai ladat, shat shadu ai jak, katsi ai ladat
6. Excessive quenching hpe bai galaw ai
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8. Bungli galaw ai wa gaw grai sawng ai hkrang hte n bung ai bunghku a n-gun nga ai, dai majaw ntsa lam nkau mi hpe carburized galaw nna nkau mi gaw carburized (sh) daw mi sha n-gun n rawng ai.
Hpaji jaw ai lam ni:
. Parts ni gaw fixture hta ngang grin nna, prestressing n galaw ra ai. Wan wut kaw na shaw kau ai shaloi, wan wut ai shara a nbung hpe atsawm sha tawn da ra ai.
2. Direct quenching hpe pre{1}} ni hpe hkap la ra ai. Lahkawng lang n-gun n rawng ai sha, quench langai hpe lang na matu shakut u. Teng man ai heat tsi ladat hpe lata la u.
3. Machining allowance ni hpe ahkang jaw na.
Carburizing rate gaw grai lawan ai.
N kaja ai lam ni:
1. N-gun grai yawm ai.
2. Carburizing agent law law nga ai majaw, daw ntsa hta carbon n-gun jat wa ai.
3. Carburizing agent hta sulfur law law lawm ai.
4. Fan bearing gaw MoS2 hte hpring chyat nga ai, sau bang ai sau gaw wan wut ai shara de shang wa ai majaw, sulfur n-gun hpe jat ya ai.
5. Fan bearing kaw na nbung pru ai gaw wan wut ai shara de shang lu ai.
6. Fan shaft kaw na hka hpe hka htung kata de lwi shangun ai.
Hpaji jaw ai lam ni: N kaja ai lam a matu htap htuk ai ladat ni hpe la u.
Carburized part peel ni a ntsa hpe shat shadu ngut ai hpang.
N kaja ai lam ni:
1. N-gun ja ai carburizing agent a grai law ai shamu shamawt lam.
2. Carburizing n-gun grai law ai majaw, bungli galaw ai n-gun hpe n-gun n rawng ai sha, n-gun n rawng ai sha, n-gun n-gun n-nga ai sha, n-gun n-gun n-gun n-nga ai. Ndai n kaja ai galai shai ai lam a majaw, ntsa na carbon n-gun grai law ai hpe byin shangun ai.
Hpaji jaw ai lam ni:
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2. Shing nrai, 3%-5% hta 920-940℃du hkra soda hte nhprang wan n-gun hpe kayau kaya bang nna, npu na carbon n-gun hpe shayawm na matu hkying hkum 2-4 tup hkam la u.
Glass- zawn re ai nodules ni gaw dai daw hta dan dawng nga ai.
N kaja ai lam ni:
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2. SiO€ gaw NaCO₃ hte n-gun ja ai nbung laru ni hta bai htang ai majaw, bungli galaw ai piece ntsa hpe hkan nang ai glassy substance langai mi byin pru wa nna, nodules ni byin pru wa ai.
Hpaji jaw ai lam ni:
1. N-gun ja ai carburizing aten hta, carburizing agent gaw san seng ra ai.
2. Carburize agent dingsa kaw na ga nhpu hpe n-gun dat dat u.
3. Carburizing agent kaw na nhpu hte lung seng ni hpe shaw kau nna, n-gun n rawng ai nhprang arai ni hte pat da ai.
Carburized daw ni a n kaja ai microstructure (lawt lu ai ferite, manu jahpu n jaw ra ai cementite, shing nrai, grup yin na network ferite) hpe n-gun jaw ai.
N kaja ai lam ni:
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2. Carburizing agent hpe hka lim na matu katsi hkra galaw ra ai.
Hpaji jaw ai lam ni:
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2. Hka ja ai n-gun kaba ai shingbyi shara hpe lata la na.
grai katsi ai
N kaja ai lam ni:
1. Carburizing (sh) htum mat ai aten hta grai katsi ai majaw, mam rawt jat wa nna, n-gun yawm wa ai.
2. Carburizing galaw ai shaloi grai katsi ai gaw, npu na n-gun hta lawm ai carbon n-gun hpe sha n-ga, carbide ni mung jat wa ai majaw, ledebuite byin pru wa ai.
Hpaji jaw ai lam ni:
1. N-gu n-gun hpe gram lajang na matu n-gun n rawng ai.
2. Sape wan wut ai shara hta shingbyi nga ai shaloi, bungli piece hpe electrode ni hte ni htep hkra tawn da na hpe koi nga u.
3. Instrument n kaja ai lam ni hpe jep yu u.
