不同组织下907A钢的动态断裂行为

1.哈尔滨工程大学机电工程学院,黑龙江哈尔滨,150001

2.哈尔滨工程大学机电工程学院,黑龙江哈尔滨,150001

3.哈尔滨工程大学机电工程学院,黑龙江哈尔滨,150001

4.哈尔滨工程大学机电工程学院,黑龙江哈尔滨,150001

基金项目: 国防预研基金(12.5.6)

The Dynamic Fracture Behavior of 907A Steel in Different Microstructures

用示波冲击加载试验,分别获得不同热处理状态及供货状态下的907钢的动态断裂韧度.通过对不同状态下的907A钢的裂纹韧度水平参数KId/σyd的比较表明:800℃调质状态具有最佳抗断裂性能:而1050℃正火和1300℃正火抗断裂性能都较差,这源于其内部粗大的魏氏体组织.

[1]	Begley J A;Landes J D .Serendipity and the J integral[J].International Journal of Fracture,1976,12(03):764-766.
[2]	Sever W L .Impact three-point bend testing for notched andpre-cracked specimens[J].Journal of Testing and Evaluation,1978,6:29-34.
[3]	Some further results of J-integral ananlysis and esti-mates[S].Prog in Flaw Growth and Fracture Toughness.ASTM STP 536,1973.
[4]	Angelinjo G;Fossati C.Dynamic elastic-plastic characteriza-tion of nuclear presure vessel matrial[A].France,1981
[5]	Server W L .General yielding of Charpy V-notch and pre-cracked Charpy specimens[J].ASME Journal of Engineering Materials and Technology,1978,100:183-188.

上一张下一张

计量

作者相关

文章评分