影响TC4ELI合金断裂韧性的因素

1.中国科学院金属研究所,沈阳,110016

2.宝钛集团有限公司,宝鸡,721014

3.宝钛集团有限公司,宝鸡,721014

4.中国科学院金属研究所,沈阳,110016

5.宝钛集团有限公司,宝鸡,721014

6.中国科学院金属研究所,沈阳,110016

7.宝钛集团有限公司,宝鸡,721014

8.中国科学院金属研究所,沈阳,110016

Factors influencing fracture toughness of TC4ELI alloy

比较不同显微组织条件下TC4ELI合金的断裂韧性,并从断裂韧性本质定义的角度分析影响材料断裂韧性的因素.不同状态下TC4ELI合金断裂韧性值表明,片层组织具有较高的断裂韧性,且断裂韧性大体上随屈服强度的升高而降低.从疲劳裂纹尖端塑性区的角度阐述了影响材料断裂韧性的因素.

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