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金属学报  1987 

快速凝固钼合金的显微结构与时效硬化

, PP. 491-497

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Abstract:

采用电弧熔化熔体,单辊急冷和锤-砧急冷技术制备了一系列高熔点钼基合金箔与薄带试样,研究其力学性能、表面形貌和显微结构。快速凝固Mo-B,Mo-Zr-B系合金具有强的晶粒细化和时效硬化效应。造成时效硬化的相应沉淀相分别为Mo_2B(C16,BCT)和ZrB_2(A_3)。ZrB_2沉淀相有更高的稳定性。这些以硼化物为强化相的快速凝固钼合金具有很高的强度与硬度,表明可以采用快速凝固技术发展新的高强度钼合金。

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