Dependence of C K X-ray Emission Spectra of WC on Crystallite Size and Observation Angle

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  • WCの放出CKX線スペクトルの結晶性および観測角度依存性
  • WC ノ ホウシュツ CKXセン スペクトル ノ ケッショウセイ オヨビ カンソク カクド イゾンセイ

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Abstract

WC powders were prepared by mechanical alloying (MA) or mechanical grinding (MG). C K X-ray spectra from WC (MA, MG, commercially available and single crystal) were measured using an electron probe microanalyzer (EPMA). The C K X-ray spectrum of WC powder mechanically alloyed for 360 ks was similar to that of WC powder mechanically ground for 360 ks. These spectra were approximately symmetrical. The C K X-ray spectra of commercially available WC powder or WC single crystal were different from that of WC prepared by MA or MG. The profile of C K X-ray spectra of WC single crystals were sensitive to observation angles. The C K X-ray spectrum of a WC single crystal observed at about 45 degrees to the basal plane was similar to that of WC prepared by MA or MG.

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