APPLICATION OF A NEW AUTOMATIC LATTICE ORIENTATION MEASUREMENT TECHNIQUE TO POLYCRYSTALLINE ALUMINUM

被引:44
作者
WRIGHT, SI [1 ]
ADAMS, BL [1 ]
KUNZE, K [1 ]
机构
[1] BRIGHAM YOUNG UNIV,DEPT MFG ENGN,PROVO,UT 84602
来源
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 1993年 / 160卷 / 02期
基金
美国国家科学基金会;
关键词
D O I
10.1016/0921-5093(93)90452-K
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
The power of a fully automatic system for measuring lattice orientation in the scanning electron microscope is demonstrated. The system couples automatic analysis of electron backscattering diffraction patterns with precise movement of a computer-controlled stage. Over 100 000 lattice orientations were measured on 40% channel-die compressed aluminum. The texture calculated from these measurements closely matched the expected rolling texture. The value of this technique for exploring the relationships between lattice orientation and morphology in polycrystalline microstructures is demonstrated by reconstructing grain boundary maps from the measurements and using color to visualize particular orientations. It is also shown that the average grain shape for a particular orientation can be recovered from the measurements using statistical measures of spatial orientation correlation.
引用
收藏
页码:229 / 240
页数:12
相关论文
共 12 条
[1]   DESCRIPTION OF ORIENTATION COHERENCE IN POLYCRYSTALLINE MATERIALS [J].
ADAMS, BL ;
MORRIS, PR ;
WANG, TT ;
WILLDEN, KS ;
WRIGHT, SI .
ACTA METALLURGICA, 1987, 35 (12) :2935-2946
[2]  
Bunge H.-J., 1969, MATH METHODEN TEXTUR
[3]   APPLICATION OF MICROTEXTURE DETERMINATION USING EBSD TO NONCUBIC CRYSTALS [J].
DINGLEY, DJ ;
DAY, A ;
BEWICK, A .
TEXTURES AND MICROSTRUCTURES, 1991, 14 :91-96
[4]  
Gotthardt R., 1972, TEXTURE, V1, P99
[5]  
KUNZE K, UNPUB TEXTURES MICRO
[6]   A SELF-CONSISTENT APPROACH OF THE LARGE DEFORMATION POLYCRYSTAL VISCOPLASTICITY [J].
MOLINARI, A ;
CANOVA, GR ;
AHZI, S .
ACTA METALLURGICA, 1987, 35 (12) :2983-2994
[7]  
SCHWARZER R, 1991, OCT JOINT MET SOC AI
[8]   IMPORTANCE OF ODD COEFFICIENTS IN TEXTURE CALCULATIONS FOR TRIGONAL-TRICLINIC SYMMETRIES [J].
WAGNER, F ;
WENK, HR ;
ESLING, C ;
BUNGE, HJ .
PHYSICA STATUS SOLIDI A-APPLIED RESEARCH, 1981, 67 (01) :269-285
[9]   CHARACTERIZATION OF THE MORPHOLOGICAL AND LATTICE ORIENTATIONAL MICROSTRUCTURE OF AS-CAST ALUMINUM INGOT [J].
WANG, TT ;
MORRIS, PR ;
ADAMS, BL .
METALLURGICAL TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE, 1990, 21 (08) :2265-2275
[10]   DEVELOPMENT OF ORIENTATION COHERENCE IN PLANE-STRAIN DEFORMATION [J].
WANG, TT ;
ADAMS, BL ;
MORRIS, PR .
METALLURGICAL TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE, 1990, 21 (08) :2223-2236