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316L不锈钢储罐显微组织(母材与焊缝及热影响区的显微组织)

作者:镇田机械 时间:2019-04-03 09:46
316L不锈钢储罐显微组织 材料的化学成分和显微组织是影响不锈钢耐腐蚀性能的重要因素。已有研宄 表明[65],C和Cr的含量对于不锈钢的耐蚀性的影响多为显著,随着C含量的升 高和Cr含量的降低 信息摘要:

316L不锈钢储罐显微组织

材料的化学成分和显微组织是影响不锈钢耐腐蚀性能的重要因素。已有研宄 表明[65],C和Cr的含量对于不锈钢的耐蚀性的影响为显著,随着C含量的升 高和Cr含量的降低,材料耐蚀性逐渐降低。试验用不锈钢取自箱式储罐水果拉霸多人版的封头 部位,在使用过程中工作温度为200°C。长期服役过程中,特别是在长期的 应力诱导作用下,显微组织将发生定的变化。因此本节将主要研宄316L不锈 钢储罐封头焊缝及母材的显微组织及元素分布,并探讨显微组织变化的原因。

、母材的显微组织

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316L不锈钢储罐显微组织(母材与焊缝及热影响区的显微组织)

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316L不锈钢储罐显微组织(母材与焊缝及热影响区的显微组织)

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316L不锈钢储罐显微组织(母材与焊缝及热影响区的显微组织)

316L不锈钢储罐显微组织(母材与焊缝及热影响区的显微组织)

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二、焊缝及热影响区的显微组织

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316L不锈钢储罐显微组织(母材与焊缝及热影响区的显微组织)

水果拉霸多人版 (a)TIANCHONGHANFENGJINSHUXIANWEIZUZHI    (b)GAIMIANHANFENGJINSHUXIANWEIZUZHI

水果拉霸多人版 TU4-4 316LBUXIUGANGCHUGUANFENGTOUHANFENGZUZHI

 

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316L不锈钢储罐显微组织(母材与焊缝及热影响区的显微组织)

水果拉霸多人版 ⑻REYINGXIANGQUSHIYANGOMXIANG    (b)REYINGXIANGQUSHIYANGSEMXIANG

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