Effect of annealing treatment on the microstructure, mechanical properties and corrosion resistance

来源 :2012 Postdoctoral Symposium of China on Materials Science & | 被引量 : 0次 | 上传用户：pisahaochima

【摘要】

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【出处】

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2012 Postdoctoral Symposium of China on Materials Science &

【发表日期】

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2012年8期

【关键词】

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Duplex stainless steel microstructure mechanical properties corrosion resistance

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　　The effect of annealing temperature in the range of 1020℃-1120℃on the microstructure, mechanical properties and corrosion resistance of low-Nickel duplex stainless steel was investigated.The results showed that the volume fraction of ferrite phase increased with the increasing of annealing temperature in the range of 1020℃-1120℃, which agreed well with the calculated results of thermo-calc.The tensile strength, impact energy and Rockwell hardness decreased with the increasing of annealing temperature in the range of 1020℃-1120℃.However, the pitting corrosion rate changed very little with the increasing of annealing temperature in the range of 1020℃-1120℃.

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Effect of annealing treatment on the microstructure, mechanical properties and corrosion resistance

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