Experimental results showed that nanostructured surface layer might form in the surface layer of welded joint after the HESP treatment, of which the crystallographic orientations were nearly random;

• 结果表明,高能喷丸处理可以在对接接头的表面形成尺寸均匀、晶粒取向呈随机分布的纳米晶组织,从而消除了对接接头表层组织的不均匀性;