用改良静滴法测量液态Ni基合金的密度和摩尔体积

稀有金属材料与工程, 2009, 38(5): 770-773.

用改良静滴法测量液态Ni基合金的密度和摩尔体积

肖锋 ^1, , 杨仁辉 ^2, , 刘兰霄 ^3, , 赵红凯 ^4, , 方亮 ^5, , 张弛 ^6,

1.重庆工学院,重庆,400050

2.重庆工学院,重庆,400050

3.重庆工学院,重庆,400050

4.重庆工学院,重庆,400050

5.重庆大学,重庆,400040

6.重庆工学院,重庆,400050

基金项目: 重庆市自然科学基金(CSTC2005BA4016-1) the Chongqing Institute of Technoloy(2003ZD31) the Chongqing Bureau of Personal(200594) 国家教育部海外归国学者科研基金(2004527)

关键词：商用镍基合金 , 密度 , 静滴法 , 摩尔体积

Density and Molar Volume of Molten Ni-Based Commercial Alloys Measured by Modified Sessile Drop Method

Xiao Feng ^1, , Yang Renhui ^2, , Liu Lanxiao ^3, , Zhao Hongkai ^4, , Fang Liang ^5, , Zhang Chi ^6,

1.重庆工学院,重庆,400050

2.重庆工学院,重庆,400050

3.重庆工学院,重庆,400050

4.重庆工学院,重庆,400050

5.重庆大学,重庆,400040

6.重庆工学院,重庆,400050

Keywords： Ni-based commercial alloys , density , sessile drop method , molar volume

采用改良静滴法测量并通过软件的计算得到了4种商用镍基合金的密度.结果表明,随着温度的升高,4种液态镍基合金的密度逐渐减小,摩尔体积逐渐增大.与理想混合状态相比,液体镍基合金的摩尔体积出现负偏差.从而可以推测在合金中各种原子之间发生了调整.

The densities of four kinds of molten Ni-based commercial alloys were measured with a modified sessile drop method, and calculated using the calculating software. It is found that the densities of the molten Ni-based commercial alloys decrease and their molar volume increase with increasing of temperature. Compared with the ideal mixing, the molar volumes of the molten Ni-based commercial alloys show negative deviations. It can be attributed to an accommodation between various atoms in the alloys.

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