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公开(公告)号:US20200056977A1
公开(公告)日:2020-02-20
申请号:US16346760
申请日:2017-11-08
Applicant: DALIAN UNIVERSITY OF TECHNOLOGY
Inventor: Ping ZHOU , Ning HUANG , Renke KANG , Dongming GUO , Ying YAN
IPC: G01N15/10
Abstract: A nanometer cutting depth high-speed single-point scratch test device includes a workbench, an air-bearing turntable, a test piece fixture, a test piece, a Z-direction feeding device, a nano positioning stage, a force sensor and a scratch tool. A micro convex structure with controllable length and height is machined in a position of the test piece to be scratched.