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Surface nanostructure formation mechanism of 45 steel induced by supersonic fine particles pombardin
[期刊论文] 作者：Dema Ba,Shining Ma,Changqing L,
来源：北京科技大学学报（英文版） 年份：2004
By means of supersonic fine particles bombarding (SFPB), a nanostruetured surface layer up to 15 μm was fabricated on a 45 steel plate with ferrite and pearlit...
Surface nanostructure formation mechanism of 45 steel induced by supersonic fine particles pombardin
[期刊论文] 作者：Dema Ba,Shining Ma,Changqing L,
来源：城市道桥与防洪 年份：2008
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生、测量监控等方面人手,介绍了S226海滨大桥...
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