74 巻 (2008) 739 号 p. 710-716
Versatile and reliable techniques for evaluation of hard thin coatings are necessary for the development and tribological assessment of new coatings. We have proposed a new type of slurry-jet erosion test (MSE), i. e. a solid particle impact erosion test, in order to quickly evaluate the wear properties of single layered and multilayered hard thin coatings. In this study, we set up a new type of MSE test apparatus (pot type tester) that can obtain the wear loss per unit mass of erodent (alumina particles with 1.2 11M in diameter in this test). The performance of the apparatus was evaluated using a Si wafer plate under various test condition. In addition, MSE tests of the coatings such as TiN, TiCN and CrN were carried out and discussed concerning their wear loss of coatings per unit mass of erodent. As a result, it generates reproducible results and is very sensitive to the quality of the coating. Thus, it can be recommended as a screening test when evaluating coatings and coated materials.