Crack Control in Duplex Stainless Steel Castings during Heat Treatment

Liao Xiaobo

doi:10.15980/j.tzzz.2015.04.018

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Crack Control in Duplex Stainless Steel Castings during Heat Treatment
Vol. 35, Issue 4, Pages: 395-397(2015)
Published： 2015 ，
DOI： 10.15980/j.tzzz.2015.04.018

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[1]廖小波.双相不锈钢精铸件热处理裂纹的控制[J].特种铸造及有色合金,2015,35(04):395-397.

Liao Xiaobo. Crack Control in Duplex Stainless Steel Castings during Heat Treatment. [J]. Special Casting & Nonferrous Alloys 35(4):395-397(2015)
[1]廖小波.双相不锈钢精铸件热处理裂纹的控制[J].特种铸造及有色合金,2015,35(04):395-397. DOI： 10.15980/j.tzzz.2015.04.018.

Liao Xiaobo. Crack Control in Duplex Stainless Steel Castings during Heat Treatment. [J]. Special Casting & Nonferrous Alloys 35(4):395-397(2015) DOI： 10.15980/j.tzzz.2015.04.018.

摘要

针对双相不锈钢精铸件在热处理升温过程中容易产生热裂的问题

研究了裂纹产生的机理。研究表明

采用分段升温、保温的方法

使铸件在热处理加热过程中

能够均匀受热

可以避免精铸件在加热过程中出现裂纹。

Abstract

Aiming at crack easily occurred in investment castings during temperature increment process

the origination of crack during heat treatment process was analyzed.The results reveal that through adopting segment temperature increment and holding temperature to uniformly heating investment castings during heat treatment

the crack in investment castings during heating process can be eliminated.