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1.发明公开
公开(公告)号：EP3396015A1
公开(公告)日：2018-10-31
申请号：EP16894155.7
申请日：2016-09-21
发明人： LI, Guojian , SUI, Xudong , JIANG, Chenjie , WANG, Kai , WANG, Qiang
摘要： The present invention relates to a composite functional cutting tool coating for cutting titanium alloys, and a preparation method thereof, and belongs to the technical field of cutting tool protection coatings for cutting hardworking materials. The composite functional cutting tool coating for cutting titanium alloys comprises a bottom coating and top coating. The preparation method of the composite functional cutting tool coating for cutting titanium alloys comprises the following steps of (1) performing pretreatment of a cutting tool base body: (2) performing glow sputter cleaning on the cutting tool base body: (3) preparing the bottom coating; (4) preparing the top coating; and (5) lowering the temperature and taking out the cutting tool. The prepared cutting tool coating disclosed by the present invention can effectively reduce the sticking phenomenon between the coating and workpiece materials during cutting of titanium alloys and can effectively prolong the service life of coated cutting tools, and the prepared cutting tool coating is very suitable for the machining of titanium and alloys thereof. The coating has the characteristics of being high in wear resistance, excellent in oxidation resistance and low in stickiness with titanium and alloys thereof.
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