The effect of thermal aging on the mechanical properties of ethylene propylene diene monomer charge coating

Wang, Shuanghong; Xu, Jie; Li, Hui; Liu, Jiaming; Zhou, Changsheng

doi:10.1007/s11043-022-09557-w

Cited by 5 publications

(1 citation statement)

References 28 publications

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“…Ensuring a high surface hardness of the coating is one of the best ways to improve the tool life. Generally speaking, under constant conditions, the higher the hardness of the material or surface, the longer the service life of the tool [ 26 , 27 ]. The hardness ( H ) of different kinds of coatings are shown in Figure 9 a, and elastic modulus ( E ) of different kinds of coatings are shown in Figure 9 b.…”

Section: Resultsmentioning

confidence: 99%

Effect of Tool Coatings on Machining Properties of Compacted Graphite Iron

Tan

et al. 2022

Micromachines

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Compacted graphite iron (CGI) has become the most ideal material for automotive engine manufacturing owing to its excellent mechanical properties. However, tools are severely worn during processing, considerably shortening their lifespan. In this study, we prepared a series of cemented carbide-coated tools and evaluated their coating properties in cutting tests. Among all tested coatings, PVD coating made of AlCrN (AC) presented with the best surface integrity and mechanical properties, achieving the best comprehensive performance in the coating test. The AC-coated tool also exhibited the best cutting performance at a low speed of 120 m/min, corresponding to a 60% longer cutting life and the lowest workpiece surface roughness relative to other coated tools. In the cutting test at a high speed of 350 m/min, the CVD double-layer coated tool (MT) with a TiCN inner layer of and an Al2O3 outer layer had a 70% longer cutting life and the lowest workpiece surface roughness relative to other coated tools.

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Section: Resultsmentioning

confidence: 99%