剪切刀具硬质合金YG8的冲击磨粒磨损行为

doi:10.11896/cldb.25010200

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Abstract Aims to explore the failure mechanism of the cutting tools cemented carbide YG8 under actual working conditions, through impact-abrasive wear tests and acid mist corrosion coupling experiments, the wear mechanism and causes of failure were studied and analyzed in this work. The results showed that the wear effect is more obvious when the impact energy is low, and the failure of YG8 is primarily characterized by the loss of the binder phase, leading to the detachment of large hard particles and layer-by-layer peeling. When impact energy is high, the impact effect becomes more significant, and the failure of YG8 is mainly manifested by the cracking of hard particles, causing crack propagation and se-condary damage to the WC in YG8. With the increase of the impact energy, the influence also increases, but the amount of material removed decreases. During the impact wear process, the wear mechanism gradually shifts from scratching and micro-cutting to the formation of large-area furrows. The edges are subjected to compressive stress, resulting in plastic deformation and edge collapse. Acid mist corrosion reduces the content of the binder phase in the material, causing cracks and the formation of oxides, which negatively affect the impact wear resistance of YG8. This article also establishes a relationship between the amount of material removed (M) and various factors, providing guidance for the subsequent choice and improvement of tool materials.

Key words： impact wear abrasive wear cemented carbide acid fog corrosion

Published: 25 February 2026 Online: 2026-02-13

CLC number:	TG723
	TG729

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	Articles by authors
	LI Yan
	CAO Rui
	CHE Hongyan
	ZHAI Yazhong

Cite this article:

LI Yan,CAO Rui,CHE Hongyan, et al. Impact-Abrasive Wear Behavior of Cutting Tool Cemented Carbide YG8[J]. Materials Reports, 2026, 40(4): 25010200-6.

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https://www.mater-rep.com/EN/10.11896/cldb.25010200 OR https://www.mater-rep.com/EN/Y2026/V40/I4/25010200

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