PIXE as a characterization technique in the cutting tool industry

被引：6

作者：

Freemantle, C. S. ^{[1
,2
,3
]}

Sacks, N. ^{[1
,2
]}

Topic, M. ^{[4
]}

Pineda-Vargas, C. A. ^{[4
,5
]}

机构：

[1] Univ Witwatersrand, Sch Chem & Met Engn, ZA-2050 Johannesburg, South Africa

[2] Univ Witwatersrand, DST NRF Ctr Excellence Strong Mat, ZA-2050 Johannesburg, South Africa

[3] Pilot Tools Pty Ltd, ZA-2011 Benrose, South Africa

[4] Natl Res Fdn, IThemba LABS, ZA-7129 Somerset West, South Africa

[5] CPUT, Fac Hlth & Wellness Sci, Bellville, South Africa

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 2014年 / 318卷

基金：

新加坡国家研究基金会;

关键词：

PIXE; Tungsten carbide; Powder metallurgy; CEMENTED CARBIDES; PROTON MICROPROBE; TUNGSTEN CARBIDE;

D O I：

10.1016/j.nimb.2013.06.044

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

Two WC-Co powders have been analyzed using micro-PIXE to identify elemental concentration and distribution. A powder recycled primarily from used mining components and a powder produced exclusively from fresh raw materials was studied. Elemental mapping of major elements as well as impurities, within powder granule cross sections, was performed. Contaminants (e.g. Fe and Ni) from manufacturing processes, as well as trace impurities (e.g. Cr, Cl, Ca and S) from recycling were detected, quantified and compared. The extent of increased concentrations of impurities resulting from recycling were observed, demonstrating the potential for PIXE as a characterization tool for detecting trace elements in cemented carbides, allowing for future improvements in the manufacturing and recycling processes. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：168 / 172

页数：5

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