S-04马氏体时效不锈钢析出相的热力学计算及强化工艺的优化

钢铁研究学报, 2003, 15(6): 38-41.

1.钢铁研究总院结构材料研究所,北京,100081

2.钢铁研究总院结构材料研究所,北京,100081

3.钢铁研究总院结构材料研究所,北京,100081

4.钢铁研究总院结构材料研究所,北京,100081

5.长城特殊钢公司第三分厂,四川,江油,621704

Thermodynamic Calculation of Precipitates and Optimization of Strengthening Technology of Maraging Stainless Steel S-04

借助于Thermo-Calc热力学计算软件,计算了S-04马氏体时效不锈钢不同时效温度下基体组织和析出相的变化,并根据计算结果优化了相应的时效处理工艺.力学性能测试和研究结果表明:用所确定的时效工艺进行热处理后,S-04钢的强韧性最好.

[1]	Davis J R.Alloy Digest Sourcebook, Stainless Steels[M].USA:ASM International,2001
[2]	Nilsson J O;Stigenberg A H;Liu P .Isothermal Formation ofQuasicrystalline Precipitates and Their Effect on Strength in a12Cr-9Ni-4Mo Maraging Stainless Steel[J].Metallurgical and Materials Transactions,1994,25(10):2225-2233.
[3]	K.Stiller;M.Hattestrand;F.Danoix .Precipitation in 9Ni-12Cr-2Cu maraging steels[J].Acta materialia,1998(17):6063-6073.
[4]	SEETHARAMAN V;Sundaraman M;KRISHNAN R .Precipitation Hard-ening in a PH 13-8Mo Stainless Steel[J].Materials Science and Engineering,1981,47(01):1-11.
[5]	Hitit A;Garrison W M.An Investigation of Precipitation Reac-tions in 12Cr/12Co/5Mo Nickel Modified Martensitic PrecipitationStrengthed Stainless Steel[A].Toronto:David Publisher,2001:477-484.
[6]	W. Sha .Thermodynamic calculations for precipitation in maraging steels[J].Materials Science and Technology: MST: A publication of the Institute of Metals,2000(11/12):1434-1436.

上一张下一张

计量

作者相关

文章评分