2009
DOI: 10.1016/j.ijrmhm.2009.05.001
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The study of ternary carbides formation during SPS consolidation process in the WC–Co–steel system

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Cited by 44 publications
(18 citation statements)
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“…The generally negative formation enthalpies indicate exothermic formation; the exception is that of W 2 C-ε calculated by using the GGA-PBE exchange-correlation functional. This means that the η-phases are able to form under C deficient or Co rich conditions, in good agreement with previous experimental findings [6,10,13,19,28]. The cohesive energies of WC and W 2 C-ε are lower than those of the other η-phases, indicating that they are the most stable phases.…”
Section: Resultssupporting
confidence: 91%
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“…The generally negative formation enthalpies indicate exothermic formation; the exception is that of W 2 C-ε calculated by using the GGA-PBE exchange-correlation functional. This means that the η-phases are able to form under C deficient or Co rich conditions, in good agreement with previous experimental findings [6,10,13,19,28]. The cohesive energies of WC and W 2 C-ε are lower than those of the other η-phases, indicating that they are the most stable phases.…”
Section: Resultssupporting
confidence: 91%
“…In particular, hardness measured by indentation methods strongly depends on the testing load and time [16]; thus, the hardness of a sample can vary. Dense WC sintered bodies are also difficult to obtain by general vacuum sintering, and several studies have reported that carbon-deficient phases, such as W 2 C, that are softer than WC are frequently detected in WC sintered bodies [13,16,17,44]. Therefore, the experimental hardnesses are lower than the calculated hardnesses.…”
Section: Accepted Manuscriptmentioning
confidence: 94%
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“…7 In addition, the benefits of the method include lower sintering temperature and high heating rate. 8 As far as the high-T C superconductors are concerned, the SPS method has been used for synthesize MgB 2 (Ref. 9) by either starting from reacted powders 10 or from reactants precursors.…”
mentioning
confidence: 99%
“…This tertiary phase is referred to as an eta (η) phase and is generally represented as carbon‐deficient M x W y C, where x + y = 6. Such η‐phases are often regarded as embrittling and undesirable, and their presence can result in degradation of mechanical properties in steels …”
Section: Introductionmentioning
confidence: 99%