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Trans. Nonferrous Met. Soc. China 27(2017) 2647-2655 Shape memory TiNi powders produced by plasma rotating electrode process for additive manufacturing Gang CHEN1,2, Shao-yang ZHAO1, Ping TAN1, Jing... Received 21 February 2017; accepted 5 June 2017 Abstract: This study aimed to produce spherical TiNi powders suitable for additive manufacturing by plasma rotating electrode process (PREP). Scanning......
electrochemical experiments on the Al2O3-3TiO2 and CoNiCrAlY coating layers by atmospheric pressure plasma spray coating process. By evaluating the corrosion resistance of these materials... layer; underwater rotating products; marine environment; corrosion characteristics; atmospheric pressure plasma spray 1 Introduction The atmospheric pressure plasma spray coating technology is used......
气雾化(Argon atomization, AA)和等离子旋转电极(Plasma rotating electrode process,PREP)两种方法制备具有不同特性的镍基高温合金粉末,然后在相同条件下对两种粉末进行热等静压制备成块体材料(A-HIP及P-HIP).分别对粉末和块体材料进行显微组织分析和形貌表征,并对热等静压材料在温度为1000~1100 ℃下,应变速率为0.01~1.0... atomization; plasma rotating electrode process; hot isostatic pressing; hot simulation; activation energy; constitutive equation Foundation item: Project (2012AA03A514) supported by the National High-tech......
) Abstract: The superalloys powders were prepared by plasma rotating electrode processing (PREP). The powder was consolidated by hot isostatic pressing (HIP) and hot extrusion (HE). The microstructures... occurs during hot extrusion. Key words: nickel-based superalloys; powder metallurgy; plasma rotating electrode processing; hot isostatic pressing; hot extrusion; prior particle boundry Foundation item......
will contain lots of tiny grooves as shown in Fig. 7(b). In discharge process, the rotating electrode can decentralize the discharge point and move the discharge plasma channel. The discharge energy... and dielectric flushing pressure on machining performance was investigated by experiments. It was found that the rotating of electrode could move the position of discharge plasma channel, and high pressure......
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Mn2+/Mn3+电对在不同电极上的电化学性能薛方勤1,王永亮2,张鸿涛1(1.北京市清华大学环境科学与工程系2.蓝星环境工程有限公司,北京 101300)摘 要:采用循环伏安,交流阻抗和旋转圆盘电极方法,研究Mn2+/Mn3+电对在不同的电极材料上的电化学性能.结果表明,Mn3+在石墨电极上岐化反应较少发生,而在炭毡电极上由于存在较多的活性位点而岐化反应的倾向较大,在玻璃炭电极上进行的旋转圆盘电极试验证实了岐化反应的发生.同时确定了在石墨电极上合适的支持电解质硫酸的浓度,计算了Mn2+的扩散系数.
Development of Expert Controller for Plasma Spraying Process CHEN Ke-xuan1,LI De-wu2,LI Chun-xu1,LI He-qi1 (1.Education Ministry Key Lab. of Advanced Processing Technology for Non-ferrous Materials... are also given. With the developed expert controller for plasma spraying process, stable spraying can be realized using ordinary spraying powder and the coating of compaction, homogeneity and high......