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1篇 您的检索式:作者名="N. Poolthong"
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1Use of electron microscopy on microstructure characterization of high chromium cast irons显示文摘The physical metallurgy underlying the development of cast microstructures in abrasion resistant high chromium cast irons, and their structural modification by thermal treatments is relatively complex. Structural characterisation via electron microscopy therefore has a key role to play in furthering our understanding of the phase transformations that control the microstructures and hence the service performances of these irons as wear parts. This paper shows how both scanning and especially transmission electron microscopy can provide valuable information on the nature of eutectic and secondary carbides and on the matrix structures in these irons. Particular attention is given to current characterisation research on conventionally cast 30%Cr irons that are used for applications involving corrosive wear e.g. slurry pumps and on a semi-solid cast 27%Cr iron that has a potential for applications in industry.J.T.H. Pearce T. Chairuangsri A. Wiengmoon N. Poolthong H. Nomura 2007China Foundry2007,4,1:7
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