摘要
Comparisonsofparticle'sthermalbehaviorbetweenFe-basealloyandboroncarbideinplasmatransferred-arc(PTA)spacewasmadebasedontheoreticalevaluationresultsinthisarticle.ItwasfoundthatmostoftheFebaseparticleswouldbefullymeltedwhiletheytransportingthroughthecentralplasmafieldwith200Asurfacingcurrents.Andtheparticleswithadiameterlessthan0.5×10-4mmightbefullyevaporated.However,fortheboroncarbide(B4C)particles,onlytheonewithadiameterlessthan0.5×10-4mcouldbemeltedinthesamePTAspace.MostofB4CparticlesareonlypreheatedatitssolidstatewhentheywerefedthroughthecentralfieldofPTAplasmawhenthesurfacingcurrentisequaltoorlessthan200A.Whenthearccurrentwassmallerthan100A,onlytheparticlessmallerthan0.5×10-4mcouldbemeltedinthePTAspacefortheFe-basealloy.AlmostnoneofthediscussedB4Cparticlescouldbemeltedinthe100APTAspace.
出版日期
2003年01月11日（中国期刊网平台首次上网日期，不代表论文的发表时间）
