Kedu ihe na-enweghị isi 690

N'ihi nguzogide corrosion ya dị elu na mgbasa ozi acidic oxidizing, a pụkwara iji ya hazie nitric acid, nitric acid + hydrofluoric acid na akụrụngwa na akụrụngwa ndị ọzọ.

Ihe maka tubes na-ebufe ọkụ nke ndị na-emepụta uzuoku na ụlọ ọrụ nuklia PWR agafewo usoro mmepe, gụnyere 304 austenitic igwe anaghị agba nchara, 600 alloy, 800 alloy na 690 alloy. Nnyocha na ọdịda corrosion nke 600 alloy na ọrụ na-egosi na corrosion intergranular na intergranular stress corrosion cracking bụ isi nsogbu. Alloy 690 na-eji dị ka okpomọkụ nyefe tube ihe maka uzuoku generators na PWR nuclear ike osisi. Ebe ọ bụ na ejiri ya mee ihe na 1990, ọ dịghị ihe mebiri emebi, na mmetụta dị mma nke ukwuu.

Ụdị ngwaahịa: mmanya, ọkpọkọ, efere, mgbanaka, na-arụ ọrụ

Ngwakọta kemịkalụ N06690:

• Ni: oke
• kr: 30.39
• Nkeji: 8.8
• C: 0.023
• Ọnụ: 0.22
• Nke: 0.26
• Nkeji: 0.23
• Aha: 0.07
• Ihe: 0.02
• P: 0.006
• Nọmba: 0.002

Njirimara anụ ahụ nke N06690 na steeti annealed:

• Njupụta: 8.19g / cm
• Ebe mgbaze: 1343-1377 ℃
• Ụdị nke ntorobịa: 211GPa
• Oke Poisson: 0.289
• Ike mpụta: 350MPa
• Ike ọdụdọ: 700MPa
• Ogologo: 45%

Njikọ na akụkọ a ： Kedu ihe na-enweghị isi 690

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