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金属学报  1994, Vol. 30 Issue (15): 136-139    
  论文 本期目录 | 过刊浏览 |
CrWMn钢喷涂NiFeCrBSi(G112)合金粉层的超塑焊合
李延祥;文九巴;黄金亮;祝要民
洛阳工学院
SUPERPLASTIC WELDING OF FLAME SPRAYED NiFeCrBSi ALLOY COATING ON CrWMn STEEL
LI Yanxiang;WEN Jiuba;HUANG Jinfiang;ZHU Yaomin(Luoyang Instituteof Technology)
引用本文:

李延祥;文九巴;黄金亮;祝要民. CrWMn钢喷涂NiFeCrBSi(G112)合金粉层的超塑焊合[J]. 金属学报, 1994, 30(15): 136-139.
, , , . SUPERPLASTIC WELDING OF FLAME SPRAYED NiFeCrBSi ALLOY COATING ON CrWMn STEEL[J]. Acta Metall Sin, 1994, 30(15): 136-139.

全文: PDF(361 KB)  
摘要: CrWMn钢火焰喷涂NiFeCrBSi合金涂层,进行了恒温压缩超塑性试验,采用变截面法测定了CrWMn钢的塑性流动应力对变形速率敏感性指数m值.用涂层和基材的应变速率比W值,确定涂层和基材的最佳超塑条件.研究了涂层孔洞、涂层原颗粒间界及涂层与基材结合界面在不同变形温度下的焊合效果,指出在基材超塑温度范围内,W=1时,涂层焊合良好,并具有较高的多冲抗力.
关键词 喷涂结合界面超塑焊合CrWMn钢、G112合金    
Abstract:The compressive superplastic tests at constant temperature were carried out on flame sprayed NiFeCrBSi(G112)alloy coating on CrWMn steel.A section conversion method has been used to measure the values m at different temperatures. The optimum superplastic condition was determined by optimizing the strain rate ratio of flame sprayed coating and substrate under defomation.The welding effects of the porosities inside the deformed coating and the bonding interfaces between the coating and substrate at different deformation temperatures have been analysed. The influence of deformation conditions on the multiple impact failure behaviors of the superplastically deformed coatings have also been investigated. The results show that the porosities inside the coating and the bonding interface between the coating and the substrate can be effectively welded at the superplastic temperature range of the substrate steel CrWMn if the value W of strain rate ratio between the coating and the substrate are approximate to one and as a result a good multiple impact behaviour can be obtained.
Key wordsflame spray    bonding interface    superplastic welding    CrWMn steel    Gll2 alloy
    
1AC,刘春林译.金属与合金的超塑效应.北京:科学出版社,19832毛健,杨万宏,汪武祥,邹金文,周瑞发.金属学报,1993;29:A187
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