采用脉冲氩弧焊接工艺、高温加速模拟、高温持久实验研究了不同焊缝蠕变强度匹配条件下马氏体耐热钢9Cr1MoVNbN与贝氏体耐热钢12Cr2MoWVTiB异种钢焊接接头的高温强度、界面蠕变损伤及破坏特征.研究结果表明,焊前523 K预热、焊后1023 K×1 h回火条件下,接头的力学性能优异.加速模拟运行500,1000和1500 h后低匹配焊接接头的界面蠕变损伤最严重,发生了界面蠕变断裂,早期失效倾向较大;中匹配接头的蠕变损伤最小,仅发现个别孤立蠕变孔洞,早期失效倾向最小,中匹配接头在923 K下的持久强度(σ105)与低匹配接头比较接近;高匹配接头在923 K下的持久强度(σ105)最低,蠕变孔洞几乎连成裂纹,蠕变损伤和早期失效较大.因此,对于上述异种钢焊接接头采用中匹配焊缝较为合理.
参考文献
[1] | Watanabe T,Tabuchi M,Yamazaki M,Hongo H,Tanable T.Int J Pressure Vessels Piping,2006; 83:63 |
[2] | Kluech L,Hashimoto N,Maziasz P J.Scr Mater,2005;53:275 |
[3] | Taneike M,Abe F,Swada K.Nature,2003; 424:294 |
[4] | Sawada K,Takeda M,Maruyama K,Ishii R,Yamada M,Nagae Y,Komine R.Mater Sci Eng,1999; A267:19 |
[5] | Abe F,Horiuchi T,Taneike M.Mater Sei Eng,2004;A378:299 |
[6] | Tamur M,Iida A H,Esaka H,Shinozuka K.ISIJ Int,2003;43:1807 |
[7] | Mackenie M,Craven A J,Collins C L.Scr Mater,2006;54:1 |
[8] | Gupta G,Was G S.J ASTM Int,2005; 2:1 |
[9] | Yoshino M,Mishima Y,Toda Y,Kushima H,Sawada K,Kimura K.ISIJ Int,2005; 45:107 |
[10] | NingB Q,LiuYC,YinH Q,HanYJ,YangL S.Mater Rev,2006; 20(12):83 (宁保群,刘永长,殷红旗,韩雅静,杨留栓.材料导报,2006;20(12):83) |
[11] | Zhu L H,ZhaoQ X,GuH C,LuYX.Mater MechEng,1999; 23(1):6 (朱丽慧,赵钦新,顾海澄,陆燕逊.机械工程材料,1999;23(1):6) |
[12] | Brozda J,Zeman M.Weld Res Abroad,1995; 42(5):58 |
[13] | Brozda J,Zeman M.Weld Res Abroad,1997; 43(6):33 |
[14] | Otoguro Y,Matsubara M,Itoh I,Nakazawa T.Nuclear Eng Design,2000; 196:51 |
[15] | Zhang J Q,Zhao HY,Wu S,Lu A L.WeldRes Abroad,2005; 51(1):29 |
[16] | Zhang J Q,Wu S,ZhaoHY,LuAL.Chin JMech Eng,2003; 39(2):58 (张建强,吴苏,赵海燕,鹿安理.机械工程学报,2003;39(2):58) |
[17] | Roberts D I,Ryder R H,Viswanthan R.J Pressure Vessel Technol,1985; 107:247 |
[18] | Lundin C D.Welding J,1982; 61(Suppl.2):58 |
[19] | Bhaduri A K,Venkadesan S,Rodriguez P.Int J Pressure Vessels Piping,1994; 58:251 |
[20] | Shi C Y,Tian X T,Chen Z G.Trans Chin Weld Inst,1995; 16:185 (史春元,田锡唐,陈字刚.焊接学报,1995;16:185) |
[21] | Cane B J.Met Sci,1981; 115:302 |
[22] | Onoro J.Int J Pressure Vessels Piping,2006; 83:540 |
[23] | Perrin I J,Hayhust D R.Int J Pressure Vessels Piping,1999; 76:599 |
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%