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(1987)p133 [4 ]Shimizu,M.ot al:Acouseic emission during Plasitc deformation in Aluminum Copper and 3%-Sillcon-iron.2nd AE Symp.Tokyo (1974) Session 5-1/22. [5]M.Shibata and K.Ono:Megnetomechnical acoustic emission of iron and stee1.Met Eva1 38 (1980)p55 6 ]K.Ono and M.Sibata:Megnetomechnical acoustic emission for non -destructive stvess measurement.NDT international October (1981)p227 [7 ]0.Sundstvoin and.Torronon:The use of Barchausen noise analysis in nodeststructive testing.Met Eval (1979)p81 [8]尾上守夫:而工一入子y才y夕工之y之3二)基础上应用(东京1976)P98 [9]穆向荣、张秀林、关于软磁材料磁声发射的研究(84年密精合金年会论文) [10]北京大学物理系:铁磁学(1976) A Study ot Magnetomechnical Acoustic Emission (MAE) n Ferromagnetic Material Department of Physics Mu Xiangrong Abstract Acoustic emission caused by the motion of magnetic domain walls in a ferromagnetic material ralates to magnetostriction effect This is called MAE (Magnetomechanical Acoustic Emission) Magnetomechnical acoustic emission depends on the microstruction, chemical composition and stress state of material.It can be used for non-destructive testing.As a newly developing non-destructive testing technique for residual stress measurements,it has a advance over other methods such as x-ray diffraction and acoustic surface wave. This paper mainly describes the chractries of MAE of steel with different carbon content and Fe-Ni alloys with different nickel content,influence of chemical composition,stress state,plastic deformation and heat treatment on MAE.A model of MAE origin mechanism is given in this paper according to the experimental results anb is discussed in detail 89〔 〕 , , 。 七 七 一 一 一 「 七 〕 七 一 七 七 〔 〕 七 〔 尾 上 守 夫 办 二 一 久 夕 少 才 少 夕 二 乡 少 乡 曰 二 。 基础上 应 用 东 京 , 〔 〕穆 向荣 、 张 秀林 、 关于软 磁材料磁声发射 的研 究 年密精合金年会论文 〔 〕北京大学 物 理 系 铁 磁 学 入 , 七 、 七 七 七 , 七 七 一 七 一 七 七 。 , 一 , 。 七 七 七 七 一 七 七 , 、 。 。 七 、 七 易
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