National Basic Research Program of China(2011CB610404);Research Found of the State Key Laboratory of Solidification Processing China(62-TP-2011);"111" Project(B08040)
在传统深过冷工艺的基础上,通过对传统工艺中B2O3玻璃净化法和循环过热方法的改进,可使较大体积K4169高温合金稳定地获得200 K以上过冷度,其中100 g合金熔体的最大过冷度达271 K。采用ANSYS软件模拟了100 g K4169高温合金冷却过程中熔...
supported by National Basic Research Program of China(Grant No.2011CB610404);Shanghai Science and Technology Committee(Grant Nos. 09510700100,135211011020,and 08DZ1130100)
In this paper, the textured Si3N4 ceramics were prepared by adding seed particles during gel-casting in the magnetic field of 6 T, followed by pressureless sintering. The effect of pH on the stability and dispersibili...
financially supported by the National Basic Research Program of China(No.2011CB610404);the ‘‘111 Project’’ of Northwestern Polytechnical University(No.B08040)
Solidification characteristics of Ti–46Al–7Nb melts were studied by the electromagnetic levitation technique.A maximum melt undercooling up to 240 K has been achieved. When the undercooling is lower than the critica...
supported by the National Natural Science Foundations of China Nos.51271149 and 50901060);the National Basic Research Program of China(No.2011CB610404);the National Aerospace Science Foundation of China(No.2010ZF53059);the NPU Foundations for Fundamental Research(No.NPUJC20110279);the Fund of the Innovation Base of Graduate Students of NPU;supported partly by the National Research Foundation of Korea(No.2012-0009451)
Rapid solidification of Ti-50 at.%Al peritectic alloy is realized by laser melting technique at diferent conditions of laser power and scanning speed. The temperature field and the cooling rate under the corresponding...