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1<\/b><\/strong>. \u3010<\/b><\/strong>\u83ca\u6c60\u82b1\u6837\u7b80\u4ecb\u3011<\/b><\/strong><\/p>\n

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2<\/b><\/strong>. \u3010<\/b><\/strong>\u83ca\u6c60\u82b1\u6837\u4ea7\u751f\u539f\u7406\u3011<\/b><\/strong><\/p>\n

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n<\/b><\/strong>\u03bb<\/b><\/strong><\/em>=2dsin<\/b><\/strong>\u03b8<\/b><\/strong><\/p>\n

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\"\"<\/p>\n

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3. \u3010\u83ca\u6c60\u82b1\u6837\u7684\u7406\u89e3\u3011<\/b><\/strong><\/p>\n

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\"\"<\/p>\n

\u56fe2<\/b><\/strong>\u00a0<\/b><\/strong>\u83ca\u6c60\u82b1\u6837\u7684\u7406\u89e3\uff0c(<\/b><\/strong>a)<\/b><\/strong>\u56fe\u4e2d\u7ea2\u7ebf\u4ee3\u8868\u884d\u5c04\u6676\u9762,\u4ea4\u70b9\u5219\u4ee3\u8868\u6676\u5e26\u8f74;<\/b><\/strong>(b) <\/b><\/strong>\u5c06\u954d\u6676\u4f53\u5355\u80de\uff08\u4ee3\u8868\u6837\u54c1\u4e0a\u8be5\u6676\u7c92\u7684\u53d6\u5411\uff09\u53e0\u52a0\u5728\u83ca\u6c60\u56fe\u4e0a \uff0c\u84dd\u8272\u4e3a <\/b><\/strong>(2-20)<\/b><\/strong>\u9762\uff0c\u9ec4\u8272\u4e3a <\/b><\/strong>(020) <\/b><\/strong>\u9762\uff0c\u4e24\u9762\u4ea4\u7ebf\u4e3a\u6676\u5e26\u8f74<\/b><\/strong>[001]<\/b><\/strong>\u65b9\u5411\uff0c\u83ca\u6c60\u6781\u5c31\u662f\u6676\u5e26\u8f74\u4e0e\u8367\u5149\u5c4f\u4ea4\u70b9.<\/b><\/strong><\/p>\n

(3)\u65e2\u7136\u83ca\u6c60\u5e26\u76f8\u4ea4\u7684\u70b9\u8868\u793a\u4e00\u4e2a\u6676\u5e26\u8f74\uff0c\u5728\u6676\u4f53\u4e2d\uff0c\u6bcf\u4e2a\u6676\u5e26\u8f74\u90fd\u5177\u6709\u7279\u5b9a\u7684\u5bf9\u79f0\u6027\u3002\u53cd\u4e4b\uff0c\u6839\u636e\u5bf9\u79f0\u6027\u5c31\u53ef\u4ee5\u5224\u65ad\u51fa\u76f8\u5e94\u7684\u6676\u5e26\u8f74\uff0c\u900f\u5c04\u7535\u955c\u7684\u64cd\u4f5c\u5c31\u662f\u6839\u636e\u884d\u5c04\u5e26\u7684\u5bf9\u79f0\u8f74\u6765\u786e\u5b9a\u7279\u5b9a\u7684\u6676\u5e26\u8f74\u3002\u4e0b\u9762\u7ed3\u5408\u900f\u5c04\u7535\u955c\u4e2d\u9762\u5fc3\u7acb\u65b9\u7684\u4f8b\u5b50\uff0c\u5bf9\u83ca\u6c60\u82b1\u6837\u4e2d\u6676\u5e26\u8f74\u8fdb\u884c\u8be6\u7ec6\u7406\u89e3\u3002<\/p>\n

\u6bcf\u6761\u83ca\u6c60\u7ebf\u7ebf\u90fd\u662f\u6ee1\u8db3\u5e03\u62c9\u683c\u884d\u5c04\u6761\u4ef6\u7684\u6676\u9762\u4ea7\u751f\u7684\uff0c\u5728\u900f\u5c04\u7535\u5b50\u884d\u5c04\u4e2d\uff0c\u9996\u5148\u8981\u6c42\u7ed3\u6784\u56e0\u5b50F\u22600\u3002\u884d\u5c04\u7ebf\u7684\u4ea4\u70b9\u5bf9\u5e94\u4e8e\u4e24\u4e2a\u6676\u9762\u7684\u4ea4\u7ebf\u3002\u5728\u5df2\u77e5\u5176\u4e2d\u4e24\u4e2a\u6676\u9762\u7684\u6307\u6570\uff0c\u8fd0\u7528\u6676\u5e26\u5b9a\u5f8b\uff0c\u4fbf\u53ef\u53ef\u8ba1\u7b97\u51fa\u6676\u5e26\u8f74<\/span><\/strong>\u3002\u5bf9\u4e8e\u9762\u5fc3\u7acb\u65b9\u6676\u4f53\u800c\u8a00\uff0c\u6d88\u5149\u6676\u9762\u6307\u6570\u7684\u89c4\u5f8b\u662f\u5947\u5076\u6df7\u6742\uff0c\u5373\u5168\u5947\u5168\u5076\u4e0d\u6d88\u5149\u3002\u6240\u4ee5\uff0c\u5728\u9762\u5fc3\u7acb\u65b9\u4e2d\uff0c\u4e0d\u6d88\u5149\u7684\u6676\u9762\u6709{111},{200},{220},{311},{204},{331}\u7b49\u3002\u9762\u5fc3\u7acb\u65b9\u6676\u4f53\u7ed3\u6784\u6750\u6599\u5728\u900f\u5c04\u8bd5\u9a8c\u65f6\uff0c\u5e38\u89c1\u7684\u6676\u5e26\u8f6c\u8f74\u6709[111]\u3001[101]\u548c[001]\u6676\u5e26\u8f74\u3002\u7531\u4e8e[111]\u6676\u5e26\u8f74\u67096\u4e2a\u7b49\u6548\u6676\u9762\u65cf\uff0c\u5176\u4ea7\u751f\u7684\u884d\u5c04\u7ebf\uff0c\u7ebf\u5bbd\u3001\u7ebf\u578b\u4e5f\u5b8c\u5168\u7b49\u6548\uff1b\u56e0\u6b64[111]\u65b9\u5411\u53ef\u4ee5\u89c2\u5bdf\u5230\u8be5\u6676\u4f53\u7684\u4e09\u6b21\u5bf9\u79f0\uff0c\u5f53[111]\u6676\u5e26\u8f74\u521a\u597d\u5782\u76f4\u4e8eEBSD\u7684\u8367\u5149\u5c4f\u65f6\uff0c\u5f97\u5230\u76f8\u90bb\u4e24\u6761\u884d\u5c04\u7ebf\u5939\u89d2\u662f60\u00b0\u7684\u83ca\u6c60\u82b1\u6837\u5982\u56fe3<\/strong>\u6240\u793a\u3002<\/p>\n

\"\"<\/p>\n

\u56fe<\/b><\/strong>3 FCC<\/b><\/strong>\u7684[<\/b><\/strong>111]<\/b><\/strong>\u6676\u5e26\u8f74\u6295\u5f71\u4e8e\u56fe\u6848\u4e2d\u5fc3\u7684\u83ca\u6c60\u82b1\u6837\u793a\u610f\u56fe<\/b><\/strong><\/p>\n

\u4ee5[101]\u4e3a\u6676\u5e26\u8f74\u4e14\u4e0d\u6d88\u5149\u7684\u884d\u5c04\u6676\u9762\u67098\u4e2a(\u89c1\u56fe4\u4e2d\u6bcf\u6761\u83ca\u6c60\u7ebf\u5bf9\u5e94\u7684\u6676\u9762)\uff0c\u5f53[101]\u6676\u5e26\u8f74\u521a\u597d\u5782\u76f4\u4e8eEBSD\u7684\u8367\u5149\u5c4f\u65f6\uff0c\u5728\u7b2c\u4e00\u8c61\u9650\u5185\u884d\u5c04\u7ebf\u95f4\u5939\u89d2\u22201\u00a0\u3001\u22202\u3001\u22203\u3001\u22204\u5206\u522b\u662f13.26\u00b0\u300122\u00b0\u300129.5\u00b0\u548c25.24\u00b0\uff0c\u6839\u636e\u8fd9\u4e9b\u89d2\u5ea6\uff0c\u5c31\u53ef\u4ee5\u753b\u51fa\u5176\u83ca\u6c60\u884d\u5c04\u82b1\u6837\u3002\u7531\u4e8e\u884d\u5c04\u7ebf\u5bbd\u4e0e\u5bf9\u5e94\u7684\u6676\u9762\u95f4\u8ddd\u6210\u53cd\u6bd4\u4f8b\u5173\u7cfb\uff0c\u6bcf\u6761\u884d\u5c04\u7ebf\u5bf9\u5e94\u7684\u5bbd\u5ea6\u4e0d\u4e00\u6837\uff0c\u5177\u4f53\u5982\u56fe4<\/strong>\u6240\u793a\u3002<\/p>\n

\"\"<\/p>\n

\u56fe4<\/b><\/strong>\u00a0FCC<\/b><\/strong>\u7684[<\/b><\/strong>110]<\/b><\/strong>\u6676\u5e26\u8f74\u6295\u5f71\u4e8e\u56fe\u6848\u4e2d\u5fc3\u7684\u83ca\u6c60\u82b1\u6837\u793a\u610f\u56fe<\/b><\/strong><\/p>\n

\u56fe5<\/strong>\u4e3a\u5177\u4f53FCC\u6676\u4f53\u91cd\u4e09\u4e2a\u6676\u5e26\u8f74\u5b9e\u9645\u6240\u62cd\u6444\u7684\u83ca\u6c60\u82b1\u6837\uff0c\u7ed3\u5408\u4e0a\u8ff0\u77e5\u8bc6\uff0c\u5927\u5bb6\u53ef\u4ee5\u8fdb\u884c\u81ea\u884c\u7406\u89e3\u3002\u4ee5[001]\u6676\u5e26\u8f74\u4e3a\u4f8b\uff0c\u8be5\u6676\u5e26\u8f74\u7684(200)\u3001(020)\u3001(220)\u548c(002)\u7b494\u4e2a\u6676\u9762\u662f\u6ee1\u8db3\u884d\u5c04\u6761\u4ef6\u7684\u4e0d\u6d88\u5149\u6676\u9762\uff0c\u6839\u636e\u6676\u9762\u5939\u89d2\u7684\u8ba1\u7b97\uff0c\u5f53[001]\u6676\u5e26\u8f74\u4f4d\u4e8e\u78f7\u5149\u5c4f\u7684\u4e2d\u5fc3\u65f6\uff0c\u53ef\u4ee5\u5f97\u5230\u76f8\u90bb\u83ca\u6c60\u7ebf\u5939\u89d2\u4e3a45\u00b0\u3002\u5f53\u6676\u5e26\u8f74\u7684\u6295\u5f71\u4e0d\u5728\u4e2d\u5fc3\u70b9\u65f6\uff0c\u6295\u5f71\u503e\u659c\u5bfc\u81f4\u884d\u5c04\u7ebf\u95f4\u5939\u89d2\u53d1\u751f\u76f8\u5e94\u7684\u53d8\u5316\u3002<\/p>\n

\"\"<\/p>\n

\u56fe5<\/b><\/strong>\u00a0FCC<\/b><\/strong>\u6676\u4f53[<\/b><\/strong>100],[110]<\/b><\/strong>\u548c[<\/b><\/strong>111]<\/b><\/strong>\u6676\u5e26\u8f74\u7684\u83ca\u6c60\u884d\u5c04\u7403\u9762\u4ee5\u53ca\u4e8c\u7ef4\u6295\u5f71<\/b><\/strong><\/p>\n

4.\u3010<\/b><\/strong>\u83ca\u6c60\u82b1\u6837\u7684\u6807\u5b9a\u539f\u7406\u3011<\/b><\/strong><\/p>\n

\u56e0\u4e3a\u884d\u5c04\u56fe\u4e0e\u6837\u54c1\u7684\u6676\u4f53\u7ed3\u6784\u5bc6\u5207\u76f8\u5173\uff0c\u5f53\u6676\u4f53\u53d6\u5411\u53d1\u751f\u53d8\u5316\u65f6\uff0c\u4e5f\u4e00\u5b9a\u4f1a\u5f15\u8d77\u884d\u5c04\u56fe\u7684\u53d8\u5316\uff0c\u5982\u56fe6\u6240\u793a\u3002\u56e0\u6b64\uff0c\u83ca\u6c60\u5e26\u7684\u4f4d\u7f6e\u53ef\u4ee5\u7528\u6765\u8ba1\u7b97\u6837\u54c1\u4e0a\u5404\u70b9\u7684\u6676\u4f53\u5b66\u53d6\u5411\u3002\u83ca\u6c60\u82b1\u6837\u7684\u672c\u8d28\u5c31\u662f\u6676\u9762\u653e\u5927\u540e\u88ab\u5c4f\u5e55\u622a\u51fa\u7684\u56fe\u6848\u3002\u5982\u679c\u77e5\u9053\u83ca\u6c60\u82b1\u6837\u4e0a3\u6761\u4e0d\u5e73\u884c\u7684\u83ca\u6c60\u5e26\u4e4b\u95f4\u7684\u5939\u89d2\u6216\u8005\u83ca\u6c60\u8f74\u4e4b\u95f4\u7684\u8ddd\u79bb\uff0c\u4ee5\u53ca\u83ca\u6c60\u82b1\u6837\u4e2d\u5fc3\u8ddd\u79bb\u884d\u5c04\u6e90\u7684\u8ddd\u79bb\uff0c\u4fbf\u53ef\u4ee5\u786e\u5b9a\u6676\u5e26\u8f74\u7684\u6307\u6570\uff0c\u5e76\u6839\u636e\u83ca\u6c60\u5e26\u76f8\u5bf9\u4e8e\u6837\u54c1\u5750\u6807\u8f74\u7684\u65b9\u5411\u7b97\u51fa\u6676\u7c92\u7684\u53d6\u5411\u3002\u6807\u5b9a\u83ca\u6c60\u82b1\u6837\u7684\u57fa\u672c\u4f9d\u636e\u4e3a\u5982\u4e0b\u4e09\u70b9\uff1a<\/p>\n

(1)\u83ca\u6c60\u7ebf\u5bf9\u4e4b\u95f4\u7684\u5939\u89d2\u7b49\u4e8e\u4e24\u6676\u9762\u4e4b\u95f4\u7684\u5939\u89d2\uff1b<\/p>\n

(2) \u5728\u900f\u5c04\u7535\u955c\u6d4b\u8bd5\u4e2d\uff0c\u83ca\u6c60\u7ebf\u5bf9\u95f4\u8ddd\u7b49\u4e8e\u76f8\u5e94\u884d\u5c04\u6591\u70b9\u5230\u4e2d\u5fc3\u6591\u70b9\u4e4b\u95f4\u7684\u8ddd\u79bb\uff0c\u6ee1\u8db3Rd=L\u03bb\uff1b<\/p>\n

\u6807\u5b9a\u7684\u8fc7\u7a0b<\/span><\/strong>\u53ef\u4ee5\u5206\u4e3a\u4ee5\u4e0b\u4e09\u6b65\uff1a<\/p>\n

\uff081\uff09\u91c7\u7528\u7cfb\u7edf\u6821\u51c6<\/strong>, \u53ef\u8ba1\u7b97\u4ea7\u751f\u83ca\u6c60\u5e26\u7684\u4e24\u4e2a\u884d\u5c04\u9762\u4e4b\u95f4\u5939\u89d2\uff1b<\/p>\n

\uff082\uff09\u5c06\u8fd9\u4e9b\u8ba1\u7b97\u7ed3\u679c\u4e0e\u88ab\u5206\u6790\u6676\u4f53\u7684\u7ed3\u6784\uff08\u4e00\u7cfb\u5217\u9762\u95f4\u5939\u89d2\uff09\u76f8\u6bd4\u8f83\uff0c\u4ee5\u786e\u5b9a\u884d\u5c04\u56fe\u4e2d\u83ca\u6c60\u5e26\u662f\u7531\u54ea\u4e9b\u9762\u884d\u5c04\u7684\uff0c\u6307\u6807\u5316\u5404\u83ca\u6c60\u5e26<\/strong>\uff1b<\/p>\n

\uff083\uff09\u6700\u540e\u8ba1\u7b97\u6676\u4f53\u53d6\u5411<\/strong>\uff08\u76f8\u5bf9\u4e8e\u6837\u54c1\u7684\u5b8f\u89c2\u7279\u5f81\u53c2\u8003\u5750\u6807\uff09\uff1b<\/p>\n

\"\"<\/p>\n

\u56fe6\u00a0\u7cbe\u786e\u6d4b\u5b9a\u6676\u4f53\u53d6\u5411: \u6676\u4f53\u5fae\u5c0f\u8f6c\u52a8\uff0c\u83ca\u6c60\u7ebf\u4ea7\u751f\u53ef\u89c2\u4f4d\u79fb<\/strong><\/p>\n

\u4f8b\uff1a\u5982\u56fe\u4e3a\u94dd\u7684\u83ca\u6c60\u82b1\u6837\u3002\u6d4b\u91cf\u7ed3\u679c\u5982\u4e0b\uff1aR1=R2=8mm\u3001R3=11.3mm\u3001R4=13.3mm\uff1b\u4ece\u900f\u5c04\u73ed\u5230\u5404\u83ca\u6c60\u7ebf\u7684\u5782\u7ebf\u95f4\u5939\u89d2\u4e3a\u03c61=\u03b11=90\u00b0\uff0c \u03c6 2=135\u00b0\uff0c \u03c6 3=72.5\u00b0\uff0c\u5bf9\u8be5\u83ca\u6c60\u7ebf\u8fdb\u884c\u6807\u5b9a\u3002<\/p>\n

\"\"<\/p>\n

\u56fe7\u00a0\u94dd\u7684\u83ca\u6c60\u82b1\u6837<\/strong><\/p>\n

\u89e3\uff1a1)\u8ba1\u7b97\u83ca\u6c60\u6781A\uff1a\u7531\u4e8eR2<\/sub>\/R1<\/sub>=1, R3<\/sub>\/R1<\/sub>=11.3\/8=1.412\uff0c\u94dd\u4e3a\u9762\u5fc3\u7acb\u65b9\uff0c\u67e5\u76f8\u5173\u6570\u636e\u5e93\u53ef\u4ee5\u786e\u5b9a\uff0c\u5165\u5c04\u675f\u65b9\u5411\u4e3a[001]\uff0c(h1<\/sub>k1<\/sub>l1<\/sub>)=(020), (h2<\/sub>k2<\/sub>l2<\/sub>)=\uff08-200\uff09\u3002<\/p>\n

\u6240\u4ee5\uff0cR1<\/sub>\u5bf9\u5e94\u7684\u83ca\u6c60\u7ebf\u4e3a\uff08020\uff09\uff0cR2<\/sub>\u5bf9\u5e94\u7684\u83ca\u6c60\u7ebf\u4e3a\uff08-200\uff09\u3002\u6839\u636e\u6676\u5e26\u5b9a\u5f8b\u53ef\u77e5\uff1a\u83ca\u6c60\u6781A\u4e3a[001]\u3002<\/p>\n

R3<\/sub>\u7684\u6307\u6570\u5e94\u8be5\u6ee1\u8db3\uff1a<\/p>\n

\"\"<\/p>\n

\u56e0\u6b64\u7ebf\u5bf93\u6240\u5bf9\u5e94\u7684\u6676\u9762\u4e3a{220}\uff0c\u5c5e\u4e8e[001]\u6676\u5e26\u3002<\/p>\n

5.\u3010<\/b><\/strong>\u83ca\u6c60\u82b1\u6837\u5728E<\/b><\/strong>BSD<\/b><\/strong>\u4e2d\u7684\u5e94\u7528\u3011<\/b><\/strong><\/p>\n

\u5728EBSD\u6d4b\u8bd5\u4e2d\uff0c\u901a\u5e38\u8981\u91c7\u96c6\u6210\u5343\u4e0a\u4e07\u4e2a\u70b9\uff0c\u6bcf\u4e00\u70b9\u90fd\u6709\u5bf9\u5e94\u7684\u83ca\u6c60\u82b1\u6837\uff0c\u5982\u679c\u4eba\u5de5\u5bf9\u5176\u8fdb\u884c\u4e00\u4e00\u6807\u5b9a\uff0c\u5de5\u4f5c\u91cf\u975e\u5e38\u5927\u3002\u4f46\u5728\u8ba1\u7b97\u673a\u7a0b\u5e8f\u4e0a\uff0c\u5f88\u77ed\u7684\u65f6\u95f4\u5185\u5219\u53ef\u4ee5\u6807\u5b9a\u5b8c\u6240\u6709\u7684\u83ca\u6c60\u82b1\u6837\uff0c\u5e76\u6b63\u786e\u8ba1\u7b97\u51fa\u6676\u4f53\u7684\u53d6\u5411\u3002\u4f46\u662f\u5bf9\u4e8e\u4e00\u5e45\u56fe\u6848\uff0c\u8ba1\u7b97\u673a\u5e76\u4e0d\u80fd\u6b63\u786e\u8bc6\u522b\uff0c\u9700\u8981\u5c06\u5176\u8fdb\u4e00\u6b65\u8f6c\u53d8\u4e3a\u8ba1\u7b97\u673a\u7a0b\u5e8f\u8bed\u8a00\u3002\u56e0\u6b64\uff0c\u5728EBSD\u4e2d\uff0c\u83ca\u6c60\u82b1\u6837\u90fd\u662f\u7ecf\u8fc7Hough\u8f6c\u53d8\u6765\u5e94\u7528\u7684\u3002\u5177\u4f53\u7684\u8f6c\u53d8\u65b9\u6cd5\u5982\u4e0b\uff1a<\/p>\n