Ball cratering test on ductile materials

被引：8
|
作者：
Camerini, Rafael Vieira [1 ,2 ,3 ]
de Souza, Rodrigo Buchfink [1 ,2 ,3 ]
de Carli, Felipe [1 ]
Pereira, Altair Soria [1 ,4 ]
Balzaretti, Naira Maria [1 ]
机构：
[1] Univ Fed Rio Grande do Sul, Inst Fis, BR-91501970 Porto Alegre, RS, Brazil
[2] Jomon Ind Artefatos Ceram Ltda, Porto Alegre, RS, Brazil
[3] Univ Fed Rio Grande do Sul, PGCIMAT, BR-91501970 Porto Alegre, RS, Brazil
[4] Univ Fed Rio Grande do Sul, Escola Engn, BR-91501970 Porto Alegre, RS, Brazil
来源：
WEAR | 2011年 / 271卷 / 5-6期
关键词：
Micro-scale abrasion; Hardness; Steel; Non-ferrous metals; Wear testing; ABRASIVE WEAR TEST; 2-BODY; STEEL;
D O I：
10.1016/j.wear.2011.03.013
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
Micro-abrasive wear test, also called ball cratering test, is normally used to investigate the wear behavior of hard bulk materials or wear-resistant coatings. In this work, this test was used to investigate the wear behavior of metallic samples. The results showed that the embedment of abrasive particles and the formation of grooves in the crater's surface may induce to artificially small wear coefficient when the test is applied to ductile materials. Surface grooving was observed when the normal force applied by the sphere was higher than a critical value. This critical value depends on the hardness and mechanical strength of the material being tested. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：770 / 774
页数：5
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