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首页> 外文期刊>Archives of Metallurgy and Materials >ATMOSPHERE EFFECT ON SINTERING BEHAVIOUR OF ASTALOY CrM AND ASTALOY CrL HOGANAS POWDERS WITH MANGANESE AND CARBON ADDITIONS
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ATMOSPHERE EFFECT ON SINTERING BEHAVIOUR OF ASTALOY CrM AND ASTALOY CrL HOGANAS POWDERS WITH MANGANESE AND CARBON ADDITIONS

机译：大气中对锰和碳添加的CrM和CrL鹅肝粉的烧结行为的影响

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摘要

Dilatometric data for Astaloy CrM (3% Cr-0.5% Mo) and Astaloy CrL (1.5% Cr-0.2% Mo) powders with additions of 0.3% carbon and 3.0% manganese during sintering cycles up to 1120 and 1250°C in different atmospheres are reported. For comparison, also Astaloy CrM and Astaloy CrL powders were investigated. Starting with green densities of approx. 6.8 g/cm~3, the final density of sintered compacts was influenced mainly by the sintering temperature, while the results showed the only minor effect of the sintering atmosphere on the final dimensional changes. However, the sintering atmosphere influences the sintering behaviour, microstructure and the final chemical composition of sintered compacts. In sintered and in the dilatometer cooled Mn-Cr-Mo-C steels predominantly bainitic structures were obtained.
机译：Astaloy CrM（3％Cr-0.5％Mo）和Astaloy CrL（1.5％Cr-0.2％Mo）粉末的粉末膨胀数据，在高达1120和1250°C的烧结气氛下，在不同的气氛下，添加0.3％的碳和3.0％的锰被报道。为了比较，还研究了Astaloy CrM和Astaloy CrL粉末。从大约绿色密度开始。 6.8 g / cm〜3，烧结体的最终密度主要受烧结温度的影响，而结果表明，烧结气氛对最终尺寸变化的影响很小。但是，烧结气氛会影响烧结体的烧结性能，微观结构和最终化学成分。在烧结的和在膨胀计中冷却的Mn-Cr-Mo-C钢主要获得贝氏体组织。

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