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靜液擠壓93W合金變形與斷裂研究
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TG146.4

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穿甲彈用鎢合金材料研究（51412020304BQ0160）


Study on the Microstructure, Mechanical Properties, Deformation and Fracture Mechanism of 93 W Alloy Deformed by Hydrostatic Extrusion
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    摘要:

    對靜液擠壓93W合金的微觀組織、力學(xué)性能、變形與斷裂特征進(jìn)行了分析研究。結(jié)果表明：鎢合金的強(qiáng)度隨擠壓變形量的增大而增加，其增加的幅度隨擠壓變形量的增大而減小，而延伸率則隨擠壓變形量的增大而減??；變形起始于粘結(jié)相，合金的變形屬于典型的雙相協(xié)調(diào)變形；裂紋萌生于鎢．鎢界面之間；靜液擠壓態(tài)鎢合金的拉伸斷口上鎢顆粒解理斷裂的比例明顯高于未變形態(tài)。

    Abstract:

    The research is carried out about the microstructure, mechanical properties, deformation and fracture feature of 93 W alloy deformed by hydrostatic extrusion. The result shows that the strength of tungsten alloy increases with the increase of the deformation amount, the elongation of tungsten alloy decreases with the increase of the deformation amount; The deformation initiates from binder phase. The deformation is typical two-phase harmonious deformation, the crack generate from the W-W interface; The ratio of W particle cleavage in fracture surface of deformed tungsten alloy is greater than that of undeformed.

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張朝暉 王揚(yáng)衛(wèi) 王富恥.靜液擠壓93W合金變形與斷裂研究[J].稀有金屬材料與工程,2005,34(12):1990~1993.[Zhang Zhaohui, Wang Yangwei, Wang Fuchi. Study on the Microstructure, Mechanical Properties, Deformation and Fracture Mechanism of 93 W Alloy Deformed by Hydrostatic Extrusion[J]. Rare Metal Materials and Engineering,2005,34(12):1990~1993.]
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  • 收稿日期:2004-08-25
  • 最后修改日期:2005-09-15
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