Measurement and Analysis of Density of Molten Ni-W Alloys

武汉理工大学学报-材料科学版(英文版), 2005, 20(3): 84-87.

^1, , ^2, , ^3, , ^4,

1.Department of Applied Physics, Chongqing University, Chongqing 400044, China

2.Satellite Venture Business Laboratory,Kyushu Institute of Technology, Kitakyushu,804-8550, Japan;Chongqing Institute of Technology, Chongqing 400050, China

3.Satellite Venture Business Laboratory,Kyushu Institute of Technology, Kitakyushu,804-8550, Japan

4.Satellite Venture Business Laboratory,Kyushu Institute of Technology, Kitakyushu,804-8550, Japan

基金项目: 教育部留学回国人员科研启动基金(2004527) the New Energy and Industrial Technology Development Organization in Japan 同济大学校科研和教改项目(8427;8656)

Measurement and Analysis of Density of Molten Ni-W Alloys

FANG Liang ^1, , XIAO Feng ^2, , TAO Zainan ^3, , MuKai Kusuhiro ^4,

1.Department of Applied Physics, Chongqing University, Chongqing 400044, China

2.Satellite Venture Business Laboratory,Kyushu Institute of Technology, Kitakyushu,804-8550, Japan;Chongqing Institute of Technology, Chongqing 400050, China

3.Satellite Venture Business Laboratory,Kyushu Institute of Technology, Kitakyushu,804-8550, Japan

4.Satellite Venture Business Laboratory,Kyushu Institute of Technology, Kitakyushu,804-8550, Japan

Keywords： Ni-W alloy

The density of molten Ni-W alloys was measured with a modified pycnometric method. It is found that the density of the molten Ni- W alloys decreases with temperature rising, but increases with the increase of tungsten concentration in the alloys. The molar volume of molten Ni- W binary alloys increases with the increase of temperature and tungsten concentration. The partial molar volume of tungsten in liquid Ni- W binary alloy has been calculated approximately as ( - 1.59+ 5.64 × 10-3 T) × 10-6m3 ·mol-1.

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