An Integrated HIP Heat-Treatment of a Single Crystal Ni-Base Superalloy

An Integrated HIP Heat-Treatment of a Single Crystal Ni-Base Superalloy
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单晶镍基高温合金的集成热等静压热处理

DOI:
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发表时间:
2020
期刊:
影响因子:
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通讯作者:
W. Theisen
W. Theisen
中科院分区:
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文献类型:
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作者:
B. Ruttert;I. Lopez;W. Theisen

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采用快速淬火的热等静压机对第二代单晶镍基高温合金进行了热处理。因此,可以通过一个加工步骤中的快速淬火和随后的时效来均匀化化学不均匀性、封闭孔隙度,并形成精细且均匀的γ/γ '显微组织。在不同的长度尺度上,使用不同的表征方法,如温度,压力和淬火的参数依赖的微观结构的演变进行了研究。一个几乎无缺陷的微观结构是这种独特的集成超固溶线HIP热处理的结果。
The heat-treatment of a second generation single crystal Ni-base superalloy was implemented in a hot isostatic press providing fast quenching rates. Thus, it is possible to homogenize chemical heterogeneities, close porosity, and to set a fine and uniform γ/γ′-microstructure via fast quenching and subsequent aging in one processing step. The microstructural evolution in dependence of parameters such as temperature, pressure, and quenching is investigated on different length scales using diverse characterization methods. A virtually defect-free microstructure is the outcome of this unique integrated supersolvus HIP heat-treatment.
DOI: 10.1016/j.matdes.2016.08.041
发表时间: 2016-11-15
期刊: MATERIALS & DESIGN
影响因子: 8.4
作者:
Ruttert, B.;Ramsperger, M.;Theisen, W.
通讯作者: Theisen, W.
DOI: 10.1002/adem.201400136
发表时间: 2015-02-01
影响因子: 3.6
作者:
Parsa, Alireza B.;Wollgramm, Philip;Eggeler, Gunther
通讯作者: Eggeler, Gunther