研究了两种不同硅含量超高强度低合金钢在不同热处理下的力学性能,分析了硅对2 200 MPa级超高强度钢力学性能的影响.结果表明,试验钢经淬火及低温回火后得到板条马氏体、ε碳化物和少量残余奥氏体组织.碳的质量分数为0.5%能使钢的强度达到2 200MPa.添加1.75%质量分数的硅使钢的强度提高约100MPa,其抗回火稳定性高,在270℃回火下其抗拉强度仍在2 200MPa以上.
参考文献
| [1] | Saeglitz M;KraussG .Deformation,fracture,and mechanical properties of low-temperature-tempered martensite in SAE 43xx steels[J].Metallurgical and Materials Transactions A:Physical Metallurgy and Materials Science,1997,28A(02):377-387. |
| [2] | GEORGE KRAUSS .Deformation and Fracture in Martensitic Carbon Steels Tempered at Low Temperatures[J].Metallurgical and Materials Transactions, A. Physical Metallurgy and Materials Science,2001(2):205-221. |
| [3] | Davis J R.Metal Handbook(Tenth Edition) ,Volume 1,Properties and Selection:Iron,Steel,and High-Performance Alloys[M].ASM International,1990 |
| [4] | Ayer R;Machmeier P .On the characteristics of M2C carbides in the peak hardening regime of AerMet 100 steel[J].Metallurgical and Materials Transactions A:Physical Metallurgy and Materials Science,1998,29A(03):903-905. |
| [5] | Vasudevan V K;Kim S J;Wayman C M .Precipitation reactions and strengthening behavior in 18 wt.% nickel maraging steels[J].Metallurgical and Materials Transactions A:Physical Metallurgy and Materials Science,1990,21A(10):2655-2668. |
| [6] | 林慧国;傅代直.钢的奥氏体转变曲线[M].北京:机械工业出版社,1988 |
| [7] | 周玉;许守廉;刘剑壮 等.超高温淬火对37SiMnCrNiMoV钢显微组织及其断裂行为的影响[J].金属科学与工艺,1986,5(01):17-26. |
| [8] | 李光福;吴忍畊 .高温淬火改善超高强度钢应力腐蚀断裂抗力的研究[J].金属学报,1989,25(06):A454-A457. |
| [9] | 时捷 .高硬度和超高硬度装甲钢及其性能研究[D].北京:钢铁研究总院,2000. |
| [10] | 董瀚 .高性能装甲钢及其性能研究[D].北京:清华大学,1997. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%