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刀具涂层对蠕墨铸铁加工性能的影响

Effect of Tool Coatings on Machining Properties of Compacted Graphite Iron.

作者信息

Ai Xiaonan, Tan Jun, Sun Hui, Lu Lu, Yang Zhenming, Yu Zhongguang, Liao Guojun, Li Shiyong, Jin Yilin, Niu Yusheng, He Ning, Hao Xiuqing

机构信息

Weichai Power Co., Ltd., 197 A Fushou East Street, High-Tech Development Zone, Weifang 261061, China.

College of Mechanical & Electrical Engineering, Nanjing University of Aeronautics & Astronautics, Nanjing 210016, China.

出版信息

Micromachines (Basel). 2022 Oct 19;13(10):1781. doi: 10.3390/mi13101781.

DOI:10.3390/mi13101781
PMID:36296134
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9612007/
Abstract

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 AlO outer layer had a 70% longer cutting life and the lowest workpiece surface roughness relative to other coated tools.

摘要

蠕墨铸铁（CGI）因其优异的机械性能已成为汽车发动机制造中最理想的材料。然而，加工过程中刀具严重磨损，大大缩短了其使用寿命。在本研究中，我们制备了一系列硬质合金涂层刀具，并在切削试验中评估了它们的涂层性能。在所有测试涂层中，由AlCrN（AC）制成的物理气相沉积（PVD）涂层具有最佳的表面完整性和机械性能，在涂层测试中实现了最佳综合性能。AC涂层刀具在120 m/min的低速下也表现出最佳切削性能，与其他涂层刀具相比，切削寿命延长了60%，工件表面粗糙度最低。在350 m/min的高速切削试验中，具有TiCN内层和AlO外层的化学气相沉积（CVD）双层涂层刀具（MT）与其他涂层刀具相比，切削寿命延长了70%，工件表面粗糙度最低。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0280/9612007/bd0a91d19c13/micromachines-13-01781-g018.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0280/9612007/b05f87cbeaf3/micromachines-13-01781-g001.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0280/9612007/e9df1ab52b01/micromachines-13-01781-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0280/9612007/091364d253c6/micromachines-13-01781-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0280/9612007/46053d8a450f/micromachines-13-01781-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0280/9612007/71f12e0dd610/micromachines-13-01781-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0280/9612007/be563aa71516/micromachines-13-01781-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0280/9612007/a4b7d9dca7e5/micromachines-13-01781-g011.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0280/9612007/22276c15d6fc/micromachines-13-01781-g013.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0280/9612007/ea682b2aa62f/micromachines-13-01781-g016.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0280/9612007/73dca618f4f9/micromachines-13-01781-g017.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0280/9612007/bd0a91d19c13/micromachines-13-01781-g018.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0280/9612007/b05f87cbeaf3/micromachines-13-01781-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0280/9612007/4115c7bc54eb/micromachines-13-01781-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0280/9612007/e2bba233c390/micromachines-13-01781-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0280/9612007/0e457845693a/micromachines-13-01781-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0280/9612007/a84be55cb682/micromachines-13-01781-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0280/9612007/e9df1ab52b01/micromachines-13-01781-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0280/9612007/091364d253c6/micromachines-13-01781-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0280/9612007/46053d8a450f/micromachines-13-01781-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0280/9612007/71f12e0dd610/micromachines-13-01781-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0280/9612007/be563aa71516/micromachines-13-01781-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0280/9612007/a4b7d9dca7e5/micromachines-13-01781-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0280/9612007/1178b06715b5/micromachines-13-01781-g012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0280/9612007/22276c15d6fc/micromachines-13-01781-g013.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0280/9612007/307faadd3ce7/micromachines-13-01781-g014.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0280/9612007/a55c25300f04/micromachines-13-01781-g015.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0280/9612007/ea682b2aa62f/micromachines-13-01781-g016.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0280/9612007/73dca618f4f9/micromachines-13-01781-g017.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0280/9612007/bd0a91d19c13/micromachines-13-01781-g018.jpg

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本文引用的文献

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Research on the Oxidation Mechanism of Vermicular Graphite Cast Iron.蠕墨铸铁氧化机理的研究
Materials (Basel). 2019 Sep 25;12(19):3130. doi: 10.3390/ma12193130.