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首页> 外文期刊>ACS Omega >Effects of Deformation Texture and Grain Size on Corrosion Behavior of Mg–3Al–1Zn Alloy Sheets
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Effects of Deformation Texture and Grain Size on Corrosion Behavior of Mg–3Al–1Zn Alloy Sheets

机译：变形织构和晶粒尺寸对Mg-3Al-1Zn合金薄板腐蚀行为的影响

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摘要

Effects of deformation texture and grain size on mechanical properties and corrosion behavior of the Mg–3Al–1Zn (AZ31) alloys were systematically investigated. The results revealed that the ultimate tensile strength (UTS) and fracture elongation (FE) significantly increased from 232 to 273 MPa and 12.5 to 26.4%, respectively. According to the immersion and electrochemical measurements, the results indicated that the corrosion resistance of the alloy was improved obviously. Via electron backscattered diffraction (EBSD), corrosion morphology showed that the propagation of local pitting corrosion was suppressed, which is ascribed to grain refinement, higher texture intensity, and lower dislocation density after rolling and subsequent annealing.
机译：系统地研究了变形织构和晶粒尺寸对Mg-3Al-1Zn（AZ31）合金的力学性能和腐蚀行为的影响。结果表明，极限抗拉强度（UTS）和断裂伸长率（FE）分别从232 MPa增大到273 MPa，从12.5 MPa增大到26.4％。通过浸没和电化学测量，结果表明该合金的耐蚀性明显提高。通过电子背散射衍射（EBSD），腐蚀形态表明，局部点蚀的传播受到抑制，这归因于晶粒细化，较高的织构强度和较低的轧制及随后退火后的位错密度。

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