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1)  Co-base wrought superalloy
钴基变形高温合金
2)  cobalt base superalloy
钴基高温合金
1.
Study on heat treatment of DZ40M directionally solidified cobalt base superalloy;
定向凝固钴基高温合金DZ40M的热处理研究
2.
A new cobalt base superalloy was developed.
设计了新型钴基高温合金的成分,并对新合金的组织及性能进行了研究。
3.
The effect of aging treatment on the tensile strength,elongation,hardness and microstructure of a cobalt base superalloy used for pistons rings was investigated in this paper.
本文研究了不同热处理时效温度和时效时间对一种活塞环用钴基高温合金的抗拉强度、延伸率、硬度及组织的影响。
3)  cobalt-base superalloy
钴基高温合金
1.
This article studies a new type cobalt-base superalloy GH941 including its composition, structures and mechanical properties.
本文研究了新型钴基高温合金GH941的成分、组织及性能。
2.
Isothermal cyclic deformation tests were conducted on K40S cobalt-base superalloy with total strain amplitude from ±0.
研究了K40S钴基高温合金在700℃和900℃温度条件下由应变控制的高温低周疲劳行为。
3.
High temperature low cycle fatigue fracture behavior of K40S cobalt-base superalloy at 700℃ and 900℃ in ambient atmosphere has been investigated under fully reversed total strain-controlled mode.
研究了K40S钴基高温合金在700℃和900℃温度条件下由应变控制的高温低周疲劳行为,对疲劳断口形貌进行观察,结果表明:在高温低周疲劳加载条件下,K40S合金疲劳裂纹萌生机制为表面滑移带开裂与表面碳化物相界面开裂的综合作用;疲劳裂纹萌生与扩展方式为穿晶型,瞬断区呈现枝晶断裂特征;碳化物可作为障碍,阻碍疲劳裂纹的扩展,且为主要的二次裂纹策源地;K40S合金高温低周疲劳断裂为机械疲劳与高温环境氧化共同作用的结果。
4)  Cobalt-based superalloy
钴基高温合金
1.
In order to study the applicability of Transient Liquid Phase(TLP) bonding method to Cobalt-based superalloy K640,the bonding test adopting amorphous interlayer was carried out.
为考察瞬时液相(TLP)连接方法对钴基高温合金K640合金的适用性,采用非晶态中间层进行连接试验,观察接头区显微组织,测试接头的力学性能并进行断口分析。
5)  Co-base superalloy
钴基高温合金
1.
The notch fatigue behaviours of a directionally solidified Co-base superalloy at 700℃ and 900℃ in air have been investigated and the fracture surfaces have been observed using SEM.
研究了定向凝固钴基高温合金DZ40M700℃和900℃缺口疲劳性能及疲劳断口。
6)  Ni-base wrought superalloy
镍基变形高温合金
1.
The precipitate phases in Ni-base wrought superalloy GH4199 with different composition were analyzed by using electrochemical extraction method.
采用物理化学相分析方法对GH4199镍基变形高温合金不同成分的板材和棒材的析出相进行了定性、定量分析。
补充资料:钴基变形高温合金
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性质:以钴为基在1100℃以下使用的可进行塑性变形的奥氏体高温合金。强化方法主要是固溶强化和碳化物沉淀强化。这类合金有较好的耐热疲劳及抗热腐蚀性能,而且其应力断裂的时间-温度参数变化较平坦,但中温强度较低,因此适宜于高温下工作,而受力不大的长寿命静态零件,常用做航空发动机燃烧室零件,加力燃烧室零件以及其他高温下使用的结构件。由于资源的限制及中温强度较低等影响,这类合金发展较慢,使用范围远不如镍基和铁基变形高温合金。

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