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金属学报  1985, Vol. 21 Issue (6): 65-72    
  论文 本期目录 | 过刊浏览 |
液态Ni-P,Ni-Zr-P系的表面张力及其对Al_2O_3的润湿性
王景唐;陈秋;于永田;李谷松
中国科学院金属研究所;中国科学院金属研究所;中国科学院金属研究所;中国科学院金属研究所
SURFACE TENSION OF LIQUID Ni-P AND Ni-Zr-P ALLOYS AND THEIR WETTABILITY ONTO ALUMINA
by WANG Jingtang;CHEN Qiu;YU Yongtian;LI Gusong Institute of Metal Research; Academia Sinica; Shenyang
引用本文:

王景唐;陈秋;于永田;李谷松. 液态Ni-P,Ni-Zr-P系的表面张力及其对Al_2O_3的润湿性[J]. 金属学报, 1985, 21(6): 65-72.
, , , . SURFACE TENSION OF LIQUID Ni-P AND Ni-Zr-P ALLOYS AND THEIR WETTABILITY ONTO ALUMINA[J]. Acta Metall Sin, 1985, 21(6): 65-72.

全文: PDF(613 KB)  
摘要: 利用卧滴法(Sessile drop method)测定了液态Ni-P和Ni-Zr-P合金的表面张力以及熔体与Al_2O_3的润湿性,并用AES测定了磷在上述合金表面层中沿深度的分布。结果表明,磷在液Ni中为表面活性元素,当Ni中有少量Zr存在时,促进磷更加明显地降低液Ni的表面张力,磷在液Ni表面的最大吸附值与AES实测值相近.Ni-P熔体对Al_2O_3的润湿性与磷的含量有关;当合金中含有少量Zr时,其润湿性降低。此外,还测定了镍基合金与Al_2O_3界面的表观剪切强度。
Abstract:The surface tension of liquid Ni-P and Ni-Zr-P alloys and their wettabilityonto Al_2O_3 substrates were measured by the sessile drop method. The distributionof P along the depth beneath the surface of the alloy was determined by AES.Results show that the P is a surface-active element in liquid Ni and the surfacetension of liquid Ni-base alloy is obviously decreased by the increasing of P con-tained when a small amount of Zr existed. The maximum adsorption value ofP on the liquid Ni surface is rather close to the measured value by AES. Thewettability of Iiquid Ni-P onto Al_2O_3 is concerned with the P content in the all-oys and decreases as less Zr contained in them. The apparent shearing strengthof the Ni-base alloys against Al_2O_3 substrate was also evaluated.
收稿日期: 1985-06-18     
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