%0 Journal Article
%T The Measurement of the Granularity of Solid Powder by Method of Disc Centrifuging-Sedimentation<br>圆盘离心沉降法测定固体粉末的粒度分布
%A Li Yumei Xue Qunji Fan Yu
%A <br>李玉梅
%A 薛群基
%A 范煜
%J 摩擦学学报
%D 1991
%I 
%X The sizes and granularity distributions of several solid powders were determined by disc centrifuging-sedimentation, and the influences of particles shape, extinction coefficient and dispersity of powder were also reported in this paper. The results shown that under given condition the model LKY-1 eriometer has good repeatability of the granulometry, especially suitable for measuring the distribution of fine particles. The 4% gallic acid is the best dispersing agent, for 0.5% concentrition graphite or MoS2 powder. Although the optical density is related to the absorbance factor, so far as the black-grey powder sample, because of its optical effect is very weak the absorbance factor can be regarded as a constant to neglect its influence.
%K disc centrifugi ng-sedimentation method
%K sedimentati ng solution
%K dispersing agent
%K fineness distribution<br>圆盘离心沉降法
%K 沉降液
%K 分散剂
%K 粒度分布
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=6E709DC38FA1D09A4B578DD0906875B5B44D4D294832BB8E&cid=5D344E2AD54D14F8&jid=2F467A5C6371C830162AAA01D7DAD07A&aid=231D73741EEE5B506A2EAA5D9DA7857D&yid=116CB34717B0B183&vid=708DD6B15D2464E8&iid=38B194292C032A66&journal_id=1004-0595&journal_name=摩擦学学报&referenced_num=0&reference_num=0