摘要
本文根据新机燃烧室焊接构件的要求,对GH536镍基高温合金板材进行了焊接性研究。通过十字搭接裂纹倾向试验和热塑性试验,了解并评定了该合金板材的裂纹倾向性,提供了GH536合金GTA焊接接头的力学性能数据,解决了新机试制生产中的一个关键问题。
In order to meet the need of manufacturing welded components used in combustion chambers of a newly designed aeroturbine, the weldability of nickel-base superalloy GH536 sheet is investigated in this paper. The cross-lap joint cracking test and hot ductility test are conducted to evaluate the crack sensitivity of the alloy. The data of mechanical properties of GTA welded joints have been provided in this paper. The results of this investigation show that the weldability of superalloy GH536 is better than that of superalloy GH44 used in the past and su-peralloy GH536 can take the place of GH44 during the development of the newly designed aeroturbine.
出处
《航空材料学报》
EI
CAS
CSCD
1989年第2期48-55,共8页
Journal of Aeronautical Materials
