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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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SS400钢焊接接头表层组织纳米均一化及硬度均一化处理
, PP. 980-984
Keywords: 焊接接头,高能喷丸,表面纳米化
Abstract:
采用高能喷丸技术对SS400钢焊接接头的表面层进行处理.利用XRD,TEM,SEM对处理后的表面层进行结构表征,同时测量了高能喷丸引起的硬度变化.结果表明,高能喷丸处理可使焊接接头的表面层形成尺寸均匀、取向随机分布的纳米晶;焊接接头三个区域的纳米层硬度一致,且远高于高能喷丸处理前样品的硬度,实现了SS400钢焊接接头区表层组织纳米均一化和硬度均一化.表面纳米化对材料表面的强化有着重要的贡献.
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