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SUS 304에 대한 Inconel 600의 Sliding 마모거동
김훈,최종현,김준기,박기성,김승태,김선진,Kim, Hun,Choi, Jong-Hyun,Kim, Jun-Ki,Park, Ki-Sung,Kim, Seung-Tae,Kim, Seon-Jin 한국재료학회 2001 한국재료학회지 Vol.11 No.10
The steam generator tubes of power plant damaged by sliding wear due to flow-induced motion of foreign object. Amount of wear have been predicted by Achard's wear equation until now. However, there are large error and low reliability, because this equation regards wear coefficient(k) as constant. The sliding wears tests have been performed at room temperature to examine parameters of wear (wear distance, contact stress). The steam generator tube material for wear test is used Inconel 600 and foreign object material is used 304 austenite stainless steel. The sliding wear tests show that the amount of wear is not linearly proportional to the wear distance(for 374 austenite stainless steel). According to experimental result, wear coefficient is not constant k but function k(s) of wear distance. The newly modified wear predictive equation V=k(s)F have small error and high reliability.