研究了由我国自行研制的Cr-Ni-Co-Mo系高强度马氏体时效不锈钢的强韧化机理.结果表明,该钢在535℃时效强度可达1 940 Mpa,KIC=141 Mpa·平方根m,此时钢中析出的大量、弥散、细小的Fe2Mo型Laves相是保持超高强度的主要原因;在纤细的马氏体板条界上有少量的残余奥氏体使钢具有较高的韧性.该钢具有优良的综合性能,特别适合于制造新一代高强高韧、承力的耐海洋环境腐蚀结构件,并在航天及航空领域潜在着应用前景.
参考文献
| [1] | Crawfird W M;Contractor G P .The Effects of Strengthening Be and Ti in Maraging Stainless Steel[J].JIPI,1969,207(12):1642. |
| [2] | 魏振宇.马氏体时效不锈钢[J].新金属材料,1972(04):22. |
| [3] | Imrie W H.Maraging Steel in the British Aerospace Industry[J].Metal Forming,1970(1-2):41. |
| [4] | 姜越,尹钟大,朱景川,李明伟.马氏体时效不锈钢的发展现状[J].特殊钢,2003(03):1-5. |
| [5] | Wilson R K .Maraging Steels-Recent Development and Applications[J].Tmsaime Warrendale PA,1988,1:255. |
| [6] | 赵先存;黄桂煌.国外不锈钢现状及动向[J].国外金属材料,1980(05):1. |
| [7] | 刘振宝,宋为顺,杨志勇,李全安,梁剑雄.时效对超高强马氏体时效不锈钢组织与性能的影响[J].材料热处理学报,2005(04):52-55,64. |
| [8] | Martin .[P].US 5681528 |
| [9] | Charles J;Kuehmann Ph D .Computational Design of High-Strength,High-Toughness Stainless Steel for Carrier-Based Aircraft[EB/OL].http://www.morisan.com/ferriums53.pdf,2007-11-20. |
| [10] | 陆世英;张廷凯.不锈钢[M].北京:原子能出版社,1995 |
| [11] | 宋为顺;赵先存 .我国高强度不锈钢的发展现状和展望[J].不锈,2000,4(02):1. |
| [12] | 陆世英 .我国不锈钢研究与应用的回顾和进步发展的展望[J].钢铁研究学报,1966,8(02):64. |
| [13] | 刘振宝,杨志勇,雍歧龙,梁剑雄,卢伦.固溶处理对新型马氏体时效不锈钢力学性能的影响[J].钢铁,2007(03):47-51. |
| [14] | 赵振业,李春志,李志,刘天琦,马新闻,孙继光.一种超高强度不锈钢超细化组织TEM研究[J].航空材料学报,2005(02):1-5. |
| [15] | 赵振业,李春志,李志,刘天琦,支敏学,朱杰远,孙继光.一种超高强度不锈齿轮钢强化相研究[J].航空材料学报,2003(01):1-6. |
| [16] | Irvine K J .The Development of High Strength Steel[J].J of the Iron and Steel Inst,1962,200(10):820. |
| [17] | Kasak A;Chandhok C k;Dulis E J .Development of Precipitation Hardening Cr-Mo-Co Stainless Steel[J].Transactions ASM,1963,56:455. |
| [18] | Versnyder F L;Beattle JR H J .The Laves and Chiphases in a Modified 12Cr Stainless Alloy[J].Trans of ASM,1955,47:211. |
| [19] | Koutsky J Jezek .Composition of Precipitates in Modified 12% Chromium Steels in the Range Above 550 ℃[J].Journal of the Iron and Steel Inst,1962,11:938. |
| [20] | Thomas G .Retained Austenite and Tempered Martensite Embrittlement[J].Metallurgical and Materials Transactions,1978,9A(03):439. |
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%