Metallic materials—Fatigue testing—Fatigue crack growth method
MOD ISO 12108:2012
全国钢标准化技术委员会(SAC/TC 183)
本标准规定了应力强度因子范围从疲劳裂纹扩展门槛值ΔKth至快速失稳开裂起始前的疲劳裂纹扩展速率的测定方法。
本标准适用于测量各向同性的金属材料在线弹性应力为主、并仅有垂直于裂纹面的作用力（Ⅰ型应力条件）和固定应力比R条件下的裂纹扩展速率。
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