CAJ | 학술논문

本文对铝合金板材拉伸变形时橘皮成因的研究进展进行了评述。首先展示了有无橘皮板材在各种检测仪器下拉伸变形前后的表面形貌、表面滑移带、粗糙度和拉伸断口的形貌，并展示了纳米硬度的测量结果和表征。进一步介绍了最近关于橘皮形成的电子背散射衍射技术（EBSD）的研究成果和X射线对有无橘皮样品的织构测量结果，结合样品的显微组织和力学性能深入分析了橘皮的成因。一系列的结果表明，拉伸变形以后表面橘皮的出现与拉伸变形过程中产生的织构密切相关，而织构的生成又与拉伸过程中晶粒变形的不均匀性有关；晶粒的大小将明显影响变形的不均匀性和织构的生成，粗晶粒比细晶粒更容易产生不均匀变形、晶粒转动和织构，从而导致拉伸变形后生成表面橘皮。由此介绍了粗晶粒和细晶粒拉伸变形后表面状态的示意模型，同时建议对橘皮的形成进行进一步的研究和分析，以完善橘皮成因的定量描述。
본문대려합금판재랍신변형시귤피성인적연구진전진행료평술。수선전시료유무귤피판재재각충검측의기하랍신변형전후적표면형모、표면활이대、조조도화랍신단구적형모，병전시료납미경도적측량결과화표정。진일보개소료최근관우귤피형성적전자배산사연사기술（EBSD）적연구성과화X사선대유무귤피양품적직구측량결과，결합양품적현미조직화역학성능심입분석료귤피적성인。일계렬적결과표명，랍신변형이후표면귤피적출현여랍신변형과정중산생적직구밀절상관，이직구적생성우여랍신과정중정립변형적불균균성유관；정립적대소장명현영향변형적불균균성화직구적생성，조정립비세정립경용역산생불균균변형、정립전동화직구，종이도치랍신변형후생성표면귤피。유차개소료조정립화세정립랍신변형후표면상태적시의모형，동시건의대귤피적형성진행진일보적연구화분석，이완선귤피성인적정량묘술。
Research progresses of forming causes for orange peel during the tensile deformation of aluminum alloy sheet are reviewed. This paper first shows the surface morphology of tensile deformation of sheets with orange peel and non orange peel , sliding zone , roughness of surface,tensile fracture morphology and nano hardness measurement results and characterization. Recent research results of electron backscattered diffraction(EBSD)using the forming causes of orange peel and the texture measurement results of orange peel and non orange peel using X-ray are further introduced. According to the mentioned results,microstructure and mechanical properties ,the forming causes of orange peel are analyzed further. A series of results show the appearance of orange peel surface after tensile deformation is closely related to the texture and grain orientation caused in tensile deformation. The texture generating is closely related to inhomogeneity deformation of grain. Grain size will significantly affect the inhomogeneity deformation and the formation of texture;coarse grain is easier to cause inhomogeneity deformation,grain rotation and texture than that of fine grain,resulting in surface orange peel forming after tensile deformation. Thus,it introduces a model of surface state of the coarse grain and fine grain after the tensile deformation. It is also suggested that the formation of orange peel should be further researched and analyzed so as to perfect the quantitative description of orange peel formation.