张源虎
,
项毅
,
孙坚
,
胡赓祥
,
李铁藩
金属学报
本文应用扫描电镜、剖面分析及EDAX能谱分析,研究了具有平直晶界和曲折晶界两种不同组织的GH302合金,及Rene 80合金在空气、含硫环境中的高温蠕变及断裂行为。试验结果表明,具有曲折晶界的GH302合金试样,虽然在空气环境中蠕变和持久性能明显地高于通常平直晶界试样,但在10％SO_2-空气环境中...
关键词:
高温合金
,
grain boundary
,
sulphidation
,
oxidation
,
creep rupture
ZHANG Yuanhu SUN Jian XIANG Yi HU Gengxiang Shanghai Jiaotong University
,
Shanghai
,
ChinaLI Tiefan Institute of Corrosion and Protection of Metals
,
Academia Sinica
,
Shenyang
,
China Yuanhu
,
Department of Materials Science and Engineering
,
Shanghai Jiaotong University
,
Shanghai
,
200030
金属学报(英文版)
Studies on the high temperature creep and fracture behaviours in air or in SO_2 contaminated environment for the Fe-base superalloy GH302 with flat or zigzag grain boundaries(GB) and the Ni-base superalloy Rene 80 were carried out.Although the creep rupture properties of the GH302 with zigzag GB was...
关键词:
superalloy
,
null
,
null
,
null
,
null
F.Gesmundo F.Viani Instituto di Chimica
,
Facolta di Ingegneria
,
Universita di Genova
,
Genova
,
16129
,
ItalyY.NIU Corrosion Science Lab.
,
Institute of Corrosion and Protection of Metals
,
Academia Sinica
,
Shenyang
,
110015
,
China
材料科学技术（英文）
The corrosion of alloys based on Fe,Co and Ni containing 15 and 30 wt-% Nb was studied at 700℃ in H_2-H_2S mixtures providing 10~(-8) atm S_2.The Fe and Co-based alloys formed duplex scales with an outer layer of pure base-metal sulphide and an inner layer containing both metals.The Nb addi- tions w...
关键词:
niobium
,
null
,
null
,
null
