PRELIMINARY STUDY OF FABRICATING BULK FE-BASED AMORPHOUS ALLOY BY COLD GAS DYNAMIC SPRAYING

Cold gas dynamic spraying (CGDS) technique makes use of high-speed gas current to spray diversified metal, alloy and composite materials under room temperature or with a little heated. It is one kind of novel surface engineering technologies, aimed at eliminating such negative influences as oxidation, gasification, melt, crystallization and gas decomposition and so on existing in hot spraying technologies. Due to its peculiar characteristics such as low spraying temperature, non-oxidation, low stress among coating layers, compactification, and high utilization rate of raw materials, as well as effective applications in the domain of fabricating coatings, the CGDS technique has attracted great attention. As it has the advantages aforementioned, especially avoiding the changes of material properties resulted from high spraying temperature, CGDS provides a kind of revolutionary means for fabricating such heat-sensitive materials as amorphous alloys. The paper reviews the current situation and application development of the CGDS technique, and presents our preliminary exploration of fabricating bulk Fe-based amorphous alloy via CGDS together with mechanical milling process.
Cold gas dynamic spraying Fe-based amorphous
LEDING GUAN BIAO YAN LING LONG SHA YANG
Shanghai Key Lab.of D&A for Metal-Functional Materials, Tongji University, Siping Road 1239, Shanghai 200092, China School of Materials Science and Engineering Tongji University, Siping Road 1239, Shanghai 200092, China
国际会议
第五届先进材料与加工国际会议(Fifth International Conference on Advanced Materials and Processing ICAMP-5)
哈尔滨
英文
1288-1293
2008-09-03(万方平台首次上网日期,不代表论文的发表时间)