Author/Authors :
J. Li، نويسنده , , Y.C. Xia، نويسنده ,
Abstract :
This article has been retracted: please see Elsevier Policy on Article Withdrawal ().
This article has been retracted at the request of the Editor-in-Chief.
There is substantial copying of text, and images, and the analysis and data have been taken directly from the paper Wear, 265 (2008) 986–991, doi:.