Influence of the chemical composition and of heat-treatment regimes on the properties of the powder material 29NK

被引：0
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作者：
Kem, A.Yu. [1 ]
Zelenskii, V.I. [1 ]
机构：
[1] Rastov on Don
来源：
Soviet powder metallurgy and metal ceramics | 1988年 / 26卷 / 12期
关键词：
Iron and Steel Metallography - Grain Size and Shape - Iron Nickel Cobalt Alloys - Composition Effects - Metals Testing - Impact - Powder Metal Products - Thermal Expansion - Powders - Production;
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摘要：
The chemical composition of iron based nickel-cobalt alloy type 29NK was analyzed relative to its thermal expansion, grain size distribution, and fracture behavior. Investigations were done by metallography, x-ray diffraction, dilatometry, fractography, and chemical analysis for various component contents. Ratios for optimum values of the linear thermal expansion coefficient and other properties were determined. Charpy impact tests were also conducted. Grain size distribution and sintering conditions were also shown by electron microprobe analysis to exert an influence on the thermal expansion coefficient.
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页码：987 / 994
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