In this paper,by studying the accuracy ofindentation microfrature,it is pointed out that the residualstress in the indentation site plays a critical role,whichm
The surface of carbon fibre is studiedwhich has been treated with heated sodiumhydrate solution(NaOH).It is found that thesurface of carbon fibre is not corroded
The high purity of ultrafine power(UFP)of a-luminium nitride(AlN) are prepared by the reaction of nitrogenplasma with metal aluminium in D.C.plasma reactr.Both