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Micromechanics of stress corrosion cracking in progressively drawn steels

机译:渐进拉伸钢中应力腐蚀开裂的微观力学

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In this paper the consequences of the microstructural evolution in an eutectoid steel which has undergone a cold drawing process are studied. The experimental results of the stress corrosion cracking tests show that cold drawing produces strength anisotropy in the steel and thus the stress corrosion cracking resistance is a directional property which depends on the orientation of the microstructure in relation to the cold drawing direction. As a consequence, a transverse crack tends to change its growth direction to approach the wire axis, and a mode I crack growth evolves to a mixed mode propagation. [References: 8]
机译:在本文中,研究了经过冷拔过程的共析钢的微观组织演变的结果。应力腐蚀开裂试验的实验结果表明,冷拔在钢中产生强度各向异性,因此,耐应力腐蚀开裂是一种方向性,它取决于组织相对于冷拔方向的取向。结果,横向裂纹趋于改变其生长方向以接近线轴,并且I型裂纹的生长演变为混合模式的传播。 [参考:8]

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