LI Ruiguo FENG Jun FENG Zhongchao Corrosion Science Laboratory.Institute of Corrosion and Protection of Metals. Academia Sinica
,
Shenyang
,
110015
,
ChinaInstitute of Metal Research
,
Academia Sinica.Shenyang 110015
,
China
材料科学技术(英文)
Silicon was added to the surface of 304 stain- less steel by laser melting the sprayed preplaced Si powders.The optical microscopy,X-ray diffraction and EPMA were employed to investigate the microstructure and chemical composition of the laser surface alloyed layer.The hardness of the al- loyed laye...
关键词:
laser
,
null
,
null
,
null
,
null
LIANG Yong LI Ruiguo Institute of Metal Research
,
Academia Sinica
,
Shenyang 110015
,
ChinaInstitute of Corrosion and Protection of Metals
,
Aademia Sinica
,
Shenyang
,
110015
,
China
材料科学技术(英文)
Recent advances in laser coating technology including laser cladding,laser surface alloying and laser vapour deposition in China are reviewed in this paper....
关键词:
laser
,
null
,
null
,
null
,
null
秦林
,
李哲
,
马连军
,
田林海
,
刘道新
,
唐宾
稀有金属材料与工程
采用双层辉光离子渗技术在Ti6Al4V合金表面进行多元合金化,形成均匀致密的Cr-Mo合金渗层.通过GDOES、XRD等手段标定表层成分和相结构,借助显微硬度计和球盘磨损仪测试合金渗层的性能.结果表明:合金渗层中合金化元素Cr与Mo呈梯度分布,主要由化合物Cr_(1.93)Ti_(1.07)、Cr_...
关键词:
Ti6Al4V合金
,
Cr-Mo改性层
,
表面合金化
,
磨损
秦颖
,
李光芝
,
董闯
材料热处理学报
通过建立三维温度场模型,利用数值模拟方法,模拟316L钢表面进行Ti和Al合金化的温度场分布,分析Ti、Al涂层厚度以及电子束能量密度对合金化的影响.结果表明,在能量密度为6 J/cm2电子束的一次脉冲处理下,316L钢表面合金化Ti的优化涂层厚度为1.1μm,表面合金化Al的优化涂层厚度为2μm.
关键词:
强流脉冲电子束
,
表面合金化
,
温度场
,
模拟