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Effect of Precipitation on Creep Properties of Certain Cast H-Series Austenitic Stainless Steels

机译:沉淀对某些铸造H系列奥氏体不锈钢的蠕变性能的影响

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摘要

Cast H-Series austenitic steels (HK, HP, and micro-alloyed HP) are used extensively in several industries for a broad range of high-temperature applications. The H-Series stainless steels have evolved over many years of alloy development by trial-and-error additions of alloying elements. Further improvements in the performance of these steels will be possible only through a detailed understanding of the composition-microstructure-property relationships. This paper highlights some of the progress made in understanding the relationship between precipitation and creep properties of these alloys through using a combination of thermodynamic modeling, microstructural characterization, and mechanical property measurements.
机译:H系列铸造奥氏体钢(HK,HP和微合金HP)在多个行业中广泛使用,适用于各种高温应用。通过合金元素的反复试验,H系列不锈钢在合金开发方面已经发展了许多年。这些钢的性能的进一步改善只有通过对成分-微观结构-性质关系的详细了解才能实现。本文重点介绍了通过结合热力学模型,微观结构表征和力学性能测量来理解这些合金的析出与蠕变性能之间关系的一些进展。

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