Study on Low Cycle Impact Fatigue Performance of WC-Co Cemented Carbides AITranslate
Abstract AITranslate
To study impact fatigue fracture mechanism of WC-Co cemented carbides and effects of microstructure parameters on their low cycle impact fatigue performance, impact fatigue tests were carried out for six kinds of cemented carbides with different WC grain size and Co content. And the impact fatigue fracture was observed by scanning electron microscopy. The results show that the cracks in the cemented carbides with impact loading are initiated from the powder metallurgy defects, the initiated cracks are interconnected with the holes to form the main cracks, and the rapid propagation of the main cracks leads to fatigue and failure of cemented carbides. The cemented carbide with higher Co content has greater fatigue sensitivity and shorter impact fatigue lifetime. The cemented carbide with larger WC grain size has longer impact fatigue life.
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Basic Information:
DOI：
Chinese Library Classification Number:TG135.5[一般工业技术—材料科学与工程]
Citation Information:
To study impact fatigue fracture mechanism of WC-Co cemented carbides and effects of microstructure parameters on their low cycle impact fatigue performance, impact fatigue tests were carried out for six kinds of cemented carbides with different WC grain size and Co content. And the impact fatigue fracture was observed by scanning electron microscopy. The results show that the cracks in the cemented carbides with impact loading are initiated from the powder metallurgy defects, the initiated cracks are interconnected with the holes to form the main cracks, and the rapid propagation of the main cracks leads to fatigue and failure of cemented carbides. The cemented carbide with higher Co content has greater fatigue sensitivity and shorter impact fatigue lifetime. The cemented carbide with larger WC grain size has longer impact fatigue life.
quote
| GB/T 7714-2015 | [1] CHEN Ding, YAO Liang, CHEN Zhen-hua, et al. Study on Low Cycle Impact Fatigue Performance of WC-Co Cemented Carbides[J]. Rare Metals and Cemented Carbides, 2017(3): 71-75. |
| MLA | [1] CHEN Ding, et al., "Study on Low Cycle Impact Fatigue Performance of WC-Co Cemented Carbides." Rare Metals and Cemented Carbides, no. 3, 2017, pp. 71-75. |
| APA | [1] CHEN Ding, YAO Liang, CHEN Zhen-hua, WANG Hui-ping, & PENG Wen. (2017). Study on Low Cycle Impact Fatigue Performance of WC-Co Cemented Carbides. Rare Metals and Cemented Carbides(3), 71-75. |
| IEEE | [1] CHEN Ding, YAO Liang, CHEN Zhen-hua, WANG Hui-ping, and PENG Wen, "Study on Low Cycle Impact Fatigue Performance of WC-Co Cemented Carbides," Rare Metals and Cemented Carbides, no. 3, pp. 71-75, 2017. keywords: {cemented carbide;WC-Co;impact fatigue;fracture mechanism;WC grain size;Co content} |