Kedu ihe dị iche n'etiti 17-4PH na ígwè ndị ọzọ na-eme ka mmiri sie ike (PH)?

Kedu ihe dị iche n'etiti 17-4PH na ígwè ndị ọzọ na-eme ka mmiri sie ike (PH)?

Okwu Mmalite

Ígwè anaghị agba nchara nke na-eme ka mmiri sie ike (ígwè PH) bụ otu n'ime ihe ndị na-eguzogide nchara nke na-ejikọta ike nke ígwè martensitic na austenitic na ezigbo iguzogide nchara. N'ime ha,17-4PH ígwè anaghị agba ncharaA na-ekwu na ọ bụ nke a kacha eji eme ihe n'ihi na ọ nwere ike ịrụ ọrụ nke ọma ma dịkwa mfe. Mana kedu ka o si tụnyere ọkwa PH ndị ọzọ dịka 15-5PH, 13-8Mo, 17-7PH, na Custom 465? Isiokwu a na-enyocha ihe dị iche iche dị na nhazi, ọgwụgwọ okpomọkụ, ihe ndị dị na nhazi, iguzogide nchara, na ngwa.

Nkọwa nke Ígwè Igwe anaghị agba nchara nke na-eme ka mmiri sie ike

Ígwè ndị na-eme ka mmiri sie ike na-enweta ike site na nhazi nke obere ihe ndị na-eme ka mmiri dị n'ime matriks ígwè n'oge ọgwụgwọ okpomọkụ. E kewara ígwè ndị a n'ime ụdị atọ dị mkpa:

1. Igwe PH nke Martensitic(dịka ọmụmaatụ,17-4PH, 15-5PH)
2. Steel PH nke ọkara-austenitic(dịka ọmụmaatụ, 17-7PH)
3. Ụdị PH nke Austenitic(dịka ọmụmaatụ, A286)

Nkewa ọ bụla na-enye ngwakọta pụrụ iche nke ihe onwunwe ahaziri maka mkpa ụlọ ọrụ ụfọdụ.

17-4PH (UNS S17400): Ụkpụrụ Ụlọ Ọrụ

Ihe mejupụtara ya:

• Cr: 15.0–17.5%
• Nọmba: 3.0–5.0%
• Cu: 3.0–5.0%
• Nb (Cb): 0.15–0.45%

Ọgwụgwọ Okpomọkụ: A gwọrọ ya ma mee ka ọ dịghachi ndụ (ọ na-abụkarị H900 ruo H1150-M)

Njirimara Mekaniki (H900):

• Ike nrụgide: 1310 MPa
• Ike Mmepụta: 1170 MPa
• Ogologo: 10%
• Ike siri ike: ~44 HRC

Uru:

• Ike dị elu
• Nguzogide nchara dị oke ala
• Ịrụ ọrụ nke ọma
• A pụrụ ịgbado ọkụ

Ngwa:

• Akụkụ ụgbọelu
• Ndị na-emepụta ngwa agha nuklia
• Valvụ, ogwe aka, ihe njide

Ntụnyere ya na PH ndị ọzọ anaghị agba nchara

15-5PH (UNS S15500)

Ihe mejupụtara ya:

• Yiri 17-4PH, mana enwere njikwa siri ike na ihe ndị na-adịghị ọcha
• Cr: 14.0–15.5%
• Nọmba: 3.5–5.5%
• Cu: 2.5–4.5%

Isi Ihe Dị Iche:

• Ike transverse ka mma n'ihi obere nhazi
• Mmeziwanye ihe onwunwe n'ime ngalaba ndị buru ibu

Ojiji Ojiji:

• Ihe ndị e ji eme ka ụgbọelu rụọ
• Ngwa nhazi kemịkalụ

13-8Mo (UNS S13800)

Ihe mejupụtara ya:

• Cr: 12.25–13.25%
• Nọmba: 7.5–8.5%
• Ọnwa: 2.0–2.5%

Isi Ihe Dị Iche:

• Ike siri ike na nguzogide nchara dị elu
• Ike dị elu na akụkụ obe dị oke ibu
• Njikwa nhazi siri ike maka ojiji ụgbọelu

Ojiji Ojiji:

• Akụkụ ụgbọelu owuwu
• Mmiri arụmọrụ dị elu

17-7PH (UNS S17700)

Ihe mejupụtara ya:

• Cr: 16.0–18.0%
• Nọmba: 6.5–7.75%
• Al: 0.75–1.50%

Isi Ihe Dị Iche:

• Ọkara-austenitic; chọrọ ọrụ oyi na ọgwụgwọ okpomọkụ
• Ọdịdị ka mma mana ọ na-eguzogide nchara karịa 17-4PH

Ojiji Ojiji:

• Diaphragms nke ikuku
• Bellows
• Mmiri ndị dị n'isi iyi

Omenala 465 (UNS S46500)

Ihe mejupụtara ya:

• Cr: 11.0–13.0%
• Nọmba: 10.75–11.25%
• Ti: 1.5–2.0%
• Ọnwa: 0.75–1.25%

Isi Ihe Dị Iche:

• Ike dị oke elu (ruo 200 ksi tensile)
• Ike mgbawa dị mma
• Ọnụ ego dị elu

Ojiji Ojiji:

• Ngwa ịwa ahụ
• Ihe njide ụgbọelu
• Ihe ndị dị na gia ọdịda

Ntụnyere Ọgwụgwọ Okpomọkụ

Ntụnyere Nguzogide Nrụgide

• Kasị mma:13-8Mo na omenala 465
• Ọ dị mma:17-4PH na 15-5PH
• Ezi:17-7PH

Rịba ama: Ọ dịghị nke dabara na nguzogide nchara nke ọkwa austenitic zuru oke dịka 316L.

Ịrụ ọrụ na ịgbado ọkụ

Ntụle Ọnụ Ego

• Kachasị Mfe Ọnụego:17-4PH
• Ọkwa Kasị Elu:13-8Mo na omenala 465
• Nhazi:15-5PH

Ntụnyere Ngwa

Nchịkọta

Mmechi

Ọ bụ ezie na 17-4PH ka bụ ígwè anaghị agba nchara PH a na-ejikarị eme ihe maka ọtụtụ ojiji nkịtị, ọkwa PH ọ bụla ọzọ nwere uru pụrụ iche nke na-eme ka ọ dabara nke ọma maka ihe achọrọ kpọmkwem. Ịghọta ọdịiche dị n'etiti alloys ndị a na-enyere ndị injinia ihe na ndị na-azụta ihe aka ime mkpebi amamihe dabere na ike, ike, iguzogide nchara, na ọnụ ahịa.