Discussion on the Detection of Interfacial Bonding Strength of Coatings by an Indentation Testing Machine

摘要：

　　In order to evaluate the feasibility of indentation testing machine to detect the interfacial bonding strength of kinds of coatings accurately,FeCrBSi、AT40、Al2O3 three kinds of coatings with different bonding strength were prepared.After the indentation testing at the surface of coatings,the amplitudes and energies,as the characteristic parameters of acoustic emission signals,were extracted.And the superficial and sectional morphologies of indentation points were observed by scanning electronic microscope.The results of the experiments indicated that this testing machine was capable of meeting the especial requirements of detecting the bonding strength in the field.Acoustic emission can be an effective criterion to detect the coating cracking.And the energy would be hopeful of evaluating interracial bonding strength of coatings as a direct parameter.

关键词： superficial indentation method acoustic emission indentation testing machine bonding strength

作者: SONG Ya-nan XU Bin-shi WANG Hai-dou LIU Ming

作者单位: Academy of Armored Forces Engineering,National Key Laboratory for Remanufacturing,Beijing,100072,China

会议类型: 国际会议

会议名称: Remanufacturing International Forum 2012 (2012再制造国际论坛)

会议地点: 北京

会议语种:英文

页码: 575-580

在线出版日期: 2012-09-20（万方平台首次上网日期，不代表论文的发表时间）