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\u3010\u5f15\u8a00\u3011<\/strong><\/p>\n \u53bb\u5408\u91d1\u5316\uff0c\u53c8\u79f0\u9009\u62e9\u6027\u8150\u8680\uff0c\u662f\u5236\u5907\u8868\u9762\u6216\u6574\u4f53\u7eb3\u7c73\u591a\u5b54\u91d1\u5c5e\u7684\u9996\u9009\u65b9\u6cd5\u3002 \u968f\u7740\u5bf9\u53bb\u5408\u91d1\u5316\u673a\u7406\u4e0d\u65ad\u6df1\u5165\u7684\u7406\u89e3\uff0c\u76ee\u524d\u5df2\u6269\u5c55\u81f3\u5229\u7528\u53bb\u5408\u91d1\u5316\u6765\u5236\u5907\u5206\u7ea7\u7eb3\u7c73\u591a\u5b54\u91d1\u5c5e\u3002\u5206\u7ea7\u7eb3\u7c73\u591a\u5b54\u91d1\u5c5e\u5236\u5907\u539f\u5219\u5305\u62ec\u524d\u9a71\u4f53\u5408\u91d1\u8bbe\u8ba1\u548c\u9884\u3001\u540e\u53bb\u5408\u91d1\u5316\u5904\u7406\u7684\u534f\u540c\u6574\u5408\u3002\u7531\u4e8e\u6210\u5206\u6216\u6676\u4f53\u5b66\u5dee\u5f02\uff0c\u4e0d\u540c\u76f8\u4e4b\u95f4\u5b58\u5728\u4e0d\u540c\u7684\u7535\u5316\u5b66\u6027\u8d28\u5dee\u5f02\uff0c\u56e0\u6b64\u53ea\u6709\u5bf9\u53cc\u76f8\u6216\u591a\u76f8\u524d\u9a71\u4f53\u5408\u91d1\u8fdb\u884c\u53bb\u5408\u91d1\u5316\uff0c\u624d\u6709\u53ef\u80fd\u5236\u5907\u5206\u7ea7\u7eb3\u7c73\u591a\u5b54\u91d1\u5c5e\u3002\u53d7\u4f20\u7edf\u53bb\u5408\u91d1\u5316\u601d\u60f3\u7684\u5c40\u9650\uff0c\u76ee\u524d\u5bf9\u524d\u9a71\u4f53\u5408\u91d1\u7684\u8bbe\u8ba1\u4ecd\u96c6\u4e2d\u5728\u5bf9\u7ec4\u6210\u76f8\u6210\u5206\u6216\u7ed3\u6784\u7684\u63a7\u5236\uff0c\u800c\u5bf9\u76f8\u5c3a\u5ea6\u7684\u5f71\u54cd\u5219\u9c9c\u6709\u6df1\u5165\u7684\u8003\u8651\u3002<\/p>\n \u3010\u6210\u679c\u7b80\u4ecb\u3011<\/strong><\/p>\n \u8fd1\u65e5\uff0c\u6fb3\u5927\u5229\u4e9a\u7687\u5bb6\u58a8\u5c14\u672c\u7406\u5de5\u5927\u5b66Ma Qian (\u9a6c\u524d, \u901a\u8baf\u4f5c\u8005)<\/strong> \u548c\u00a0Song\u00a0<\/strong>Tingting (\u5b8b\u5ef7\u5ef7, \u7b2c\u4e00\u4f5c\u8005)<\/strong> \u5728Acta Materialia<\/strong>\u4e0a\u53d1\u8868\u9898\u4e3a\u201cIn-situ and ex-situ synchrotron X-ray diffraction studies of microstructural length scale controlled dealloying<\/strong>\u201d\u7684\u6587\u7ae0\u3002\u7814\u7a76\u53d1\u73b0\uff0c\u5728\u524d\u9a71\u4f53\u5408\u91d1\u663e\u5fae\u7ec4\u7ec7\u7ec4\u6210\u76f8\u786e\u5b9a\u7684\u6761\u4ef6\u4e0b\uff0c\u7ec4\u6210\u76f8\u7684\u5fae\u89c2\u5c3a\u5ea6\u5bf9\u53bb\u5408\u91d1\u5316\u8fc7\u7a0b\u7684\u9009\u62e9\u5b9e\u9645\u4e0a\u8d77\u4e3b\u5bfc\u4f5c\u7528\u3002 \u4f8b\u5982\uff0c\u5f53\u4e24\u76f8\u5fae\u89c2\u5c3a\u5ea6\u4e3a\u7eb3\u7c73\u7b49\u7ea7\u65f6\uff0c\u5219\u4e24\u76f8\u53bb\u5408\u91d1\u5316\u540c\u65f6\u8fdb\u884c\uff0c\u5f62\u6210\u5747\u5300\u7684\u5355\u7ea7\u7eb3\u7c73\u591a\u5b54\u7ed3\u6784\uff1b\u800c\u5f53\u4e24\u76f8\u5fae\u89c2\u5c3a\u5ea6\u5728\u5fae\u7c73\u7ea7\u6216\u4ee5\u4e0a\u65f6\uff0c\u7535\u5076\u8150\u8680\u53d1\u751f\uff0c\u4e24\u76f8\u53bb\u5408\u91d1\u5316\u5219\u51fa\u73b0\u5148\u540e\u987a\u5e8f\uff0c\u4ece\u800c\u5f62\u6210\u5206\u7ea7\u7eb3\u7c73\u591a\u5b54\u7ed3\u6784\u3002\u8be5\u53d1\u73b0\u4e3a\u5236\u5907\u5206\u7ea7\u7eb3\u7c73\u91d1\u5c5e\u591a\u5b54\u7ed3\u6784\u6750\u6599\u63d0\u4f9b\u4e86\u65b0\u7684\u6307\u5bfc\u601d\u60f3\u3002\u7814\u7a76\u4eba\u5458\u5bf9\u5176\u5f71\u54cd\u673a\u7406\u8fdb\u884c\u4e86\u6df1\u5165\u63a2\u8ba8\uff1b\u5e76\u5229\u7528\u9ad8\u5206\u8fa8\u7387\u539f\u4f4d\u540c\u6b65\u8f90\u5c04X\u5c04\u7ebf\u89e3\u6790\u4e86\u53cc\u76f8Al-Cu\u5408\u91d1\u7684\u53bb\u5408\u91d1\u5316\u673a\u7406\u4ee5\u53ca\u52a8\u529b\u5b66\u3002<\/p>\n \u3010\u56fe\u6587\u89e3\u8bfb\u3011<\/strong><\/p>\n \u56fe\u4e00 \u539f\u4f4d\u540c\u6b65\u8f90\u5c04X\u5c04\u7ebf\u53bb\u5408\u91d1\u5316\u5b9e\u9a8c\u88c5\u7f6e<\/strong><\/p>\n \u56fe\u4e8c \u5feb\u901f\u51dd\u56faAl65Cu35, at.%, \u539f\u59cb\u5408\u91d1\u8584\u5e26\u7684\u76f8\u5206\u5e03\u53ca\u76f8\u7ec4\u6210<\/strong> (b<\/strong>) XRD\u7ed3\u679c\u786e\u5b9a\u5feb\u901f\u51dd\u56faAl65<\/sub>Cu35<\/sub>\u539f\u59cb\u5408\u91d1\u5305\u542bAl2<\/sub>Cu\u548cAlCu\u4e24\u76f8<\/p>\n \u56fe\u4e09 \u5feb\u901f\u51dd\u56faAl65<\/sub>Cu35<\/sub>\u539f\u59cb\u5408\u91d1\u8584\u5e26\u572810vol% HCl\u6eb6\u6db2\u300170\u2103\u6761\u4ef6\u4e0b\u7684\u53bb\u5408\u91d1\u5316\u8fc7\u7a0b\uff1aAl2<\/sub>Cu\u548cAlCu\u76f8\u7684\u53bb\u5408\u91d1\u5316\u540c\u65f6\u8fdb\u884c<\/strong> (c,d<\/strong>) 30\u5206\u949f\u540e\uff0c\u53bb\u5408\u91d1\u5316\u4ece\u8868\u9762\u81f3\u4e2d\u95f4\u5c42\u5c42\u53d1\u751f\uff0cAl2<\/sub>Cu\u548cAlCu\u53bb\u5408\u91d1\u5316\u540c\u65f6\u53d1\u751f<\/p>\n (e,f<\/strong>) 180\u5206\u949f\u540e\uff0c\u6837\u54c1\u6210\u4e3a\u5747\u4e00\u7684\u7eb3\u7c73\u591a\u5b54\u7ed3\u6784<\/p>\n (g,h<\/strong>) 30\u5206\u949f\u548c180\u5206\u949f\u53bb\u5408\u91d1\u5316\u6837\u54c1XRD\u7ed3\u679c<\/p>\n \u56fe\u56db \u94f8\u9020Al65<\/sub>Cu35<\/sub>\u539f\u59cb\u5408\u91d1\u94f8\u952d\u7684\u76f8\u5206\u5e03\u53ca\u76f8\u7ec4\u6210<\/strong> (b<\/strong>) \u53bb\u5408\u91d1\u5316\u524d\u540e\u7684XRD\u66f2\u7ebf\uff1a\u53bb\u5408\u91d1\u5316\u524d\u539f\u59cb\u5408\u91d1\u5305\u542bAl2<\/sub>Cu\u548cAlCu\u4e24\u76f8\uff0c120\u5206\u949f\u53bb\u5408\u91d1\u5316\u540e\u6837\u54c1\u4e3b\u8981\u5305\u542b\u7eafCu\u76f8<\/p>\n (c,d<\/strong>) \u4e24\u7ea7\u7eb3\u7c73\u591a\u5b54Cu\u7ed3\u6784<\/p>\n \u56fe\u4e94 \u5feb\u901f\u51dd\u56fa\u548c\u94f8\u9020Al65<\/sub>Cu35<\/sub>\u548cAl55<\/sub>Cu45<\/sub>\u539f\u59cb\u5408\u91d1\u7684\u7535\u5316\u5b66\u6027\u80fd<\/strong> \u56fe\u516d \u94f8\u9020Al65<\/sub>Cu35<\/sub>\u539f\u59cb\u5408\u91d1\u53bb\u5408\u91d1\u5316\u539f\u4f4d\u540c\u6b65\u8f90\u5c04X\u5c04\u7ebf\u7ed3\u679c<\/strong> \u56fe\u4e03 \u94f8\u9020Al65<\/sub>Cu35<\/sub>\u539f\u59cb\u5408\u91d1\u975e\u539f\u4f4d\u540c\u6b65\u8f90\u5c04X\u5c04\u7ebf\u7ed3\u679c\u53ca\u7cbe\u4fee\u5206\u6790<\/strong> \u56fe\u516b \u53bb\u5408\u91d1\u5316\u65f6\u7eafCu\u76f8\u7684\u5f62\u6210\u52a8\u529b\u5b66<\/strong> (c,d<\/strong>) \u7ecf\u5178\u5f62\u6838\uff0d\u957f\u5927\u7406\u8bba(Avrami-Erofe’ev model)\u53ef\u4ee5\u7528\u6765\u63cf\u8ff0\u53bb\u5408\u91d1\u5316\u8fc7\u7a0b\u4e2d\u7eafCu\u76f8\u7684\u5f62\u6210\u8fc7\u7a0b\uff1aAl2<\/sub>Cu\u7684\u53bb\u5408\u91d1\u5316\u5206\u4e3a\u4e24\u4e2a\u9636\u6bb5\uff0c\u539f\u4f4d\u540c\u6b65\u8f90\u5c04\u7ed3\u679c\u4ee5\u53ca\u7ecf\u5178\u7406\u8bba\u5728\u5178\u578b\u7684\u7eb3\u7c73\u591a\u5b54\u7ed3\u6784\u6269\u6563\u5bcc\u96c6\u5f62\u6210\u7406\u8bba\u4e0a\u589e\u52a0\u4e86\u5f62\u6838\u9636\u6bb5\uff0c\u4e30\u5bcc\u548c\u6df1\u5165\u4e86\u53bb\u5408\u91d1\u5316\u673a\u7406<\/p>\n \u3010\u5c0f\u7ed3\u3011<\/strong><\/p>\n \u5fae\u89c2\u7ed3\u6784\u5c3a\u5ea6\u5728\u53cc\u76f8Al-Cu\uff08Al2<\/sub>Cu-AlCu\uff09\u5408\u91d1\u7684\u53bb\u5408\u91d1\u5316\u8fc7\u7a0b\u4e2d\u8d77\u51b3\u5b9a\u6027\u4f5c\u7528\u3002\u5f53\u4e24\u76f8\u5fae\u89c2\u5c3a\u5ea6\u4e3a\u7eb3\u7c73\u7b49\u7ea7\u65f6\uff0c\u4e24\u76f8\u53bb\u5408\u91d1\u5316\u540c\u65f6\u8fdb\u884c\uff0c\u5f62\u6210\u5747\u5300\u7684\u5355\u7ea7\u7eb3\u7c73\u591a\u5b54Cu\uff1b\u5f53\u4e24\u76f8\u5fae\u89c2\u5c3a\u5ea6\u5728\u5fae\u7c73\u7ea7\u6216\u4ee5\u4e0a\u65f6\uff0c\u7535\u5076\u8150\u8680\u53d1\u751f\uff0c\u4e24\u76f8\u53bb\u5408\u91d1\u5316\u51fa\u73b0\u5148\u540e\u987a\u5e8f\uff0c\u4ece\u800c\u5f62\u6210\u4e24\u7ea7\u7eb3\u7c73\u591a\u5b54Cu\u7ed3\u6784\u3002\u53e6\u5916\uff0c\u5229\u7528\u7ecf\u5178\u5f62\u6838\uff0d\u957f\u5927\u7406\u8bba\u6a21\u578b\u5bf9\u53bb\u5408\u91d1\u5316\u8fc7\u7a0b\u6240\u83b7\u5f97\u7684\u539f\u4f4d\u540c\u6b65\u8f90\u5c04\u6570\u636e\u8fdb\u884c\u5b9a\u91cf\u5206\u6790\u540e\u8868\u660e\uff0c\u5728\u53bb\u5408\u91d1\u5316\u521d\u671f\u5e94\u8be5\u8003\u8651\u5f62\u6838\u9636\u6bb5\u3002\u53bb\u5408\u91d1\u5316\u7684\u52a8\u529b\u5b66\u8fc7\u7a0b\u53ef\u7528\u7ecf\u5178\u7684\u5f62\u6838\uff0d\u957f\u5927\u7406\u8bba\u6a21\u578b\u6765\u9884\u6d4b\uff0c\u8fd9\u5bf9\u53bb\u5408\u91d1\u5316\u8fc7\u7a0b\u76f8\u53d8\u673a\u7406\u7684\u8fdb\u4e00\u6b65\u7814\u7a76\u5177\u6709\u91cd\u8981\u7684\u6307\u5bfc\u610f\u4e49\u3002<\/p>\n<\/p>\n
\n (a<\/strong>) AlCu\u9897\u7c92\u5206\u5e03\u5728Al2<\/sub>Cu\u57fa\u4f53\u4e0a<\/p>\n
\n (a,b<\/strong>) 1\u5206\u949f\u540e\uff0cAl2<\/sub>Cu\u548cAlCu\u76f8\u5747\u53d1\u751f\u53bb\u5408\u91d1\u5316\uff0c\u4e24\u76f8\u8868\u9762\u5747\u51fa\u73b0Cu\u5bcc\u96c6<\/p>\n
\n (a<\/strong>) \u539f\u59cb\u5408\u91d1\u663e\u793aAl2<\/sub>Cu\u57fa\u4f53\u542b\u6709\u957f\u6761\u72b6AlCu\u76f8(15 \u00b5m\u957f)<\/p>\n
\n \u5feb\u901f\u51dd\u56fa\u7ec6\u6676\u7c92\u5408\u91d1\u663e\u793a\u4e00\u4e2a\u8150\u8680\u7535\u4f4d\uff1a\u7eb3\u7c73\u7ed3\u6784\u8986\u76d6\u4e86\u4e24\u76f8\u7684\u7535\u5316\u5b66\u6d3b\u6027\u5dee\u5f02,\u800c\u94f8\u9020\u7c97\u6676\u7c92\u5408\u91d1\u663e\u793a\u4e24\u76f8\u7684\u4e24\u4e2a\u8150\u8680\u7535\u4f4d\u7535\u5076\u8150\u8680\u4f1a\u56e0\u6b64\u53d1\u751f<\/p>\n
\n Al2<\/sub>Cu\u548cAlCu\u5148\u540e\u53bb\u5408\u91d1\u5316\u54cd\u5e94\uff1aAl2<\/sub>Cu\u76f8\u7684\u53bb\u5408\u91d1\u5316\u5148\u5f00\u59cb<\/p>\n
\n \u66f4\u9ad8\u5206\u8fa8\u7387\u7ed3\u679c\u53ca\u7cbe\u4fee\u5206\u6790\u663e\u793aAl2<\/sub>Cu\u7684\u6bcf\u4e2aXRD\u5cf0\u7684\u5f3a\u5ea6\u968f\u7740\u8131\u5408\u91d1\u65f6\u95f4\u7684\u589e\u52a0\u800c\u964d\u4f4e\uff0c\u800cAlCu\u7684\u5f3a\u5ea6\u4e0d\u53d8\uff0c\u8bc1\u5b9e\u4e86Al2<\/sub>Cu\u548cAlCu\u4e24\u76f8\u7684\u987a\u5e8f\u53bb\u5408\u91d1\u5316\u8fc7\u7a0b<\/p>\n
\n (a,b<\/strong>) \u53bb\u5408\u91d1\u5316\u8fc7\u7a0b\u4e2d\u7eafCu\u76f8\u76f8\u5bf9\u91cf\u7684\u6f14\u53d8<\/p>\n