{"id":140953,"date":"2018-06-01T06:30:28","date_gmt":"2018-05-31T22:30:28","guid":{"rendered":"\/\/m.iemloyee.com\/?p=140953"},"modified":"2018-05-31T23:43:44","modified_gmt":"2018-05-31T15:43:44","slug":"acta-mater-%e5%85%b7%e6%9c%89%e7%ba%b3%e7%b1%b3%e5%ad%94%e9%81%93%e7%bb%93%e6%9e%84%e9%92%a8%e7%9a%84%e6%8a%97%e8%be%90%e7%85%a7%e6%80%a7%e8%83%bd%e7%a0%94%e7%a9%b6","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=140953","title":{"rendered":"Acta Mater.: \u5177\u6709\u7eb3\u7c73\u5b54\u9053\u7ed3\u6784\u94a8\u7684\u6297\u8f90\u7167\u6027\u80fd\u7814\u7a76"},"content":{"rendered":"

\u3010\u5f15\u8a00\u3011<\/strong><\/p>\n

\u5728\u805a\u53d8\u5806\u4e2d\uff0c\u9762\u5411\u7b49\u79bb\u5b50\u4f53\u6750\u6599(PFMs)\u8981\u906d\u53d7\u7a7a\u524d\u6076\u52a3\u7684\u73af\u5883\uff0c\u5305\u62ec\u9ad8\u675f\u6d41\u7b49\u79bb\u5b50\u4f53\u7684\u649e\u51fb\u6216\u4fb5\u8680 \uff0c14.1 MeV\u7684\u4e2d\u5b50\u8f90\u7167\u4ee5\u53ca\u7a33\u6001\u751a\u81f3\u77ac\u6001\u70ed\u8d1f\u8377\u7684\u53cd\u590d\u51b2\u51fb\u3002\u91d1\u5c5e\u94a8 (W) \u6750\u6599\u672c\u8eab\u7531\u4e8e\u5177\u6709\u4f18\u5f02\u7684\u7269\u7406\u5316\u5b66\u6027\u80fd\uff0c\u88ab\u8ba4\u4e3a\u662f\u6700\u6709\u524d\u666f\u7684PFMs\u3002\u7136\u800c\uff0c\u5728\u8fd9\u79cd\u6781\u7aef\u73af\u5883\u4e0b\uff0c\u5feb\u901f\u805a\u96c6\u7684\u6c26\u539f\u5b50\u4f1a\u5bfc\u81f4\u94a8\u4e2d\u6c26\u6ce1\u7684\u5f62\u6838\uff0c\u751a\u81f3\u4f1a\u5728\u94a8\u8868\u9762\u5f62\u6210\u201cfuzz\u201d\u7eb3\u7c73\u4e1d\u7ed3\u6784\uff0c\u8fd9\u4e9b\u4f1a\u4e25\u91cd\u9000\u5316\u94a8\u672c\u8eab\u7684\u6027\u80fd\uff0c\u51cf\u77ed\u5176\u670d\u5f79\u5bff\u547d\u3002\u7eb3\u7c73\u4e1d\u7ed3\u6784\u4e00\u65e6\u53d1\u751f\u5265\u843d\uff0c\u4f1a\u4e25\u91cd\u5f71\u54cd\u5806\u82af\u7b49\u79bb\u5b50\u4f53\u7684\u7a33\u5b9a\u6027\u3002\u6c26\u6ce1\u5bf9\u7eb3\u7c73\u4e1d\u7684\u5f62\u6210\u548c\u751f\u957f\u6709\u91cd\u8981\u5f71\u54cd\u3002\u56e0\u6b64\uff0c\u901a\u8fc7\u8bbe\u8ba1\u65b0\u578b\u7eb3\u7c73\u7ed3\u6784\u6709\u6548\u964d\u4f4eW\u4e2dHe\u7684\u6d53\u5ea6\u5bf9\u5f00\u53d1\u4f18\u5f02\u6027\u80fd\u7684\u9762\u5411\u7b49\u79bb\u5b50\u4f53\u94a8\u6750\u6599\u81f3\u5173\u91cd\u8981\u3002<\/p>\n

\u3010\u6210\u679c\u7b80\u4ecb\u3011<\/strong><\/p>\n

\u8fd1\u65e5\uff0c\u6b66\u6c49\u5927\u5b66\u79e6\u6587\u9759\uff08\u7b2c\u4e00\u4f5c\u8005\uff09\u3001\u4efb\u5cf0\u6559\u6388\uff08\u7b2c\u4e00\u901a\u8baf\u4f5c\u8005\uff09\u56e2\u961f\u4e0e\u6d1b\u4e1d\u963f\u83ab\u65af\u56fd\u5bb6\u5b9e\u9a8c\u5ba4\u7684<\/strong>Yongqiang Wang<\/strong>\u535a\u58eb\uff08\u7b2c\u4e8c\u901a\u8baf\u4f5c\u8005\uff09\u3001\u7f8e\u56fd\u52a0\u5dde\u5927\u5b66\u5723\u5730\u4e9a\u54e5\u5206\u6821Russell P. Doerner<\/strong>\u3001\u6e56\u5357\u5927\u5b66\u9093\u8f89\u7403\u6559\u6388<\/strong>\u7b49\u5408\u4f5c\u5171\u540c\u5728Acta Mater.<\/strong>\u4e0a\u53d1\u8868\u4e86\u4e00\u7bc7\u5173\u4e8e\u805a\u53d8\u5806\u9762\u5411\u7b49\u79bb\u5b50\u4f53\u94a8(W)\u7684\u6587\u7ae0\uff0c\u9898\u4e3a\u201cNanochannel Structures in W enhance radiation tolerance<\/strong>\u201d\u3002<\/p>\n

\u7531\u4e8e\u6c26\u6ce1\u6210\u6838\u4ee5\u53ca\u5b83\u5bf9\u5fae\u89c2\u7ed3\u6784(fuzz)\u548c\u6027\u80fd\uff08\u786c\u5316\u3001\u8106\u5316\uff09\u4ea7\u751f\u5f71\u54cd\u7684\u6839\u672c\u539f\u56e0\u662f\u6c26\u539f\u5b50\u4e0d\u6eb6\u4e8e\u94a8\uff0c\u90a3\u4e48\u5728\u8f90\u7167\u7684\u8fc7\u7a0b\u4e2d\u5982\u679c\u53ef\u4ee5\u53ca\u65f6\u7684\u91ca\u653e\u6c26\u539f\u5b50\u5c31\u53ef\u4ee5\u6709\u6548\u6291\u5236\u6c26\u539f\u5b50\u5728\u94a8\u4e2d\u7684\u5f62\u6838\u3002\u4ece\u8fd9\u4e2a\u89d2\u5ea6\u51fa\u53d1\uff0c\u8be5\u56e2\u961f\u8bbe\u8ba1\u4e86\u4e00\u79cd\u542b\u6709\u7eb3\u7c73\u5b54\u9053\u7684\u6676\u67f1\u72b6\u94a8\u8584\u819c\u3002\u901a\u8fc7\u9ad8\u80fd\u6c26\u79bb\u5b50\u8f90\u7167\u4ee5\u53ca\u4f4e\u80fd\u5927\u675f\u6d41\u6c26\u7b49\u79bb\u5b50\u4f53\u8f90\u7167\u5b9e\u9a8c\u53d1\u73b0\uff0c\u76f8\u5bf9\u4e8e\u4f20\u7edf\u7684\u5757\u4f53\u94a8\u6750\u6599\uff0c\u8fd9\u79cd\u5177\u6709\u9ad8\u6bd4\u8868\u9762\u79ef\u7684\u7eb3\u7c73\u5b54\u9053\u7ed3\u6784\u94a8\u8584\u819c\u4e0d\u4ec5\u6709\u6548\u5ef6\u7f13\u6c26\u6ce1\u7684\u957f\u5927\uff0c\u800c\u4e14\u6709\u6548\u6291\u5236\u7eb3\u7c73\u4e1d\u7ed3\u6784\u7684\u5f62\u6210\u548c\u751f\u957f\u3002\u76f4\u7ebf\u7b49\u79bb\u5b50\u4f53\u8f90\u7167\u7ed3\u679c\u8868\u660e\uff0c\u7eb3\u7c73\u5b54\u9053\u7ed3\u6784W\u7684\u5f62\u6210\u201cfuzz\u201d\u8d77\u59cb\u5242\u91cf\u76f8\u5bf9\u4e8eW\u5757\u6750\u63d0\u9ad8\u4e866.8\u500d\uff0c\u201cfuzz\u201d\u751f\u957f\u901f\u7387\u76f8\u6bd4\u964d\u4f4e\u4e863.9\u500d\u3002\u901a\u8fc7\u5206\u5b50\u52a8\u529b\u5b66\u6a21\u62df\u5206\u6790\u53ef\u77e5\uff0c\u7eb3\u7c73\u5b54\u9053\u8868\u9762\u4f4e\u7684\u7a7a\u4f4d\u5f62\u6210\u80fd\u548c\u9ad8\u7684\u6c26\u675f\u7f1a\u80fd\u53ef\u4ee5\u6709\u6548\u5e2e\u52a9\u6c26\u539f\u5b50\u91ca\u653e\uff0c\u4ece\u800c\u63d0\u9ad8\u7eb3\u7c73\u5b54\u9053\u7ed3\u6784\u94a8\u7684\u6297\u8f90\u7167\u6027\u80fd\u3002\u672c\u7814\u7a76\u4e3a\u5f00\u53d1\u65b0\u578b\u9ad8\u6027\u80fd\u9762\u5411\u7b49\u79bb\u5b50\u6750\u6599\u63d0\u4f9b\u4e86\u65b0\u601d\u8def\u3002<\/p>\n

\u00a0<\/strong>\u3010\u56fe\u7247\u5bfc\u8bfb\u3011<\/strong><\/p>\n

\u56fe<\/strong>1.<\/strong>\u539f\u59cb\u7eb3\u7c73\u5b54\u9053\u7ed3\u6784\u94a8<\/strong>TEM<\/strong>\u622a\u9762\u56fe<\/strong><\/p>\n

\"\"<\/p>\n

(a) W-RT-150W\uff1b<\/p>\n

(b) W-600-150W\uff1b<\/p>\n

(c) W-600-50W\uff1b<\/p>\n

(d)\u662f\u76f8\u5e94\u7684GIXRD\u56fe\uff1b<\/p>\n

\u5176\u4e2d\u53f3\u4e0b\u89d2\u63d2\u56fe\u4e3a\u5404\u6837\u54c1\u5bf9\u5e94\u7684SEM\u5e73\u9762\u548c\u622a\u9762\u56fe\u3002<\/p>\n

\u56fe<\/strong>2. <\/strong>\u5e38\u6e29\u4e0b\u7ecf<\/strong>40 keV He <\/strong>\u79bb\u5b50\u8f90\u7167<\/strong>\u7684<\/strong>\u7eb3\u7c73\u5b54\u9053\u7ed3\u6784\u94a8\u548c\u5757\u4f53\u94a8<\/strong>\u7684<\/strong>TEM<\/strong>\u622a\u9762\u56fe<\/strong><\/p>\n

\"\"<\/p>\n

(a1<\/sub>), (a2<\/sub>) \u5242\u91cf\u5206\u522b\u4e3a5\u00d71017 <\/sup>\u548c1\u00d71018 <\/sup>ions\/cm2 <\/sup>\u65f6\u7684W-RT-150W\uff1b<\/p>\n

(b1<\/sub>), (b2<\/sub>) \u5242\u91cf\u5206\u522b\u4e3a5\u00d71017 <\/sup>\u548c1\u00d71018 <\/sup>ions\/cm2 <\/sup>\u65f6\u7684W-600-150W\uff1b<\/p>\n

(c1<\/sub>), (c2<\/sub>) \u5242\u91cf\u5206\u522b\u4e3a5\u00d71017 <\/sup>\u548c1\u00d71018 <\/sup>ions\/cm2 <\/sup>\u65f6\u7684W-600-50W\uff1b<\/p>\n

(d1<\/sub>), (d2<\/sub>) \u5242\u91cf\u5206\u522b\u4e3a5\u00d71017 <\/sup>\u548c1\u00d71018 <\/sup>ions\/cm2 <\/sup>\u65f6\u7684\u5757\u4f53W\u3002<\/p>\n

\u56fe<\/strong>3. 1140 K<\/strong>\u4e0b\u7ecf<\/strong>50 eV He<\/strong>\u7b49\u79bb\u5b50\u4f53\u8f90\u7167\u7684\u7eb3\u7c73\u5b54\u9053\u7ed3\u6784\u94a8<\/strong>W-600-150W<\/strong>\u626b\u63cf\u56fe\u548c\u62df\u5408\u56fe<\/strong><\/p>\n

\"\"<\/p>\n

(a1<\/sub>), (a2<\/sub>) \u5242\u91cf\u4e3a1.7\u00d71021 <\/sup>ions\/cm2<\/sup>;<\/p>\n

(b1<\/sub>), (b2<\/sub>) \u5242\u91cf\u4e3a5.6\u00d71021 <\/sup>ions\/cm2<\/sup>;<\/p>\n

(c1<\/sub>), (c2<\/sub>) \u5242\u91cf\u4e3a3.2\u00d71022 <\/sup>ions\/cm2<\/sup>;<\/p>\n

(d) W-600-150W\u548c\u5757\u4f53\u94a8\u7684\u7eb3\u7c73\u4e1d\u539a\u5ea6\u53ca\u5176\u4e0e\u8f90\u7167\u5242\u91cf\u76f8\u5173\u7684\u62df\u5408\u66f2\u7ebf\uff1b<\/p>\n

(d) W-600-150W\u5728\u8f90\u7167\u524d\u540e\u8584\u819c\u539a\u5ea6\u968f\u5242\u91cf\u53d8\u5316\u3002<\/p>\n

\u56fe<\/strong>4. <\/strong>\u5728<\/strong>300 K<\/strong>\u548c<\/strong>1140 K<\/strong>\u4e0b<\/strong>50 eV He<\/strong>\u79bb\u5b50\u8f90\u7167\u7eb3\u7c73\u5b54\u9053\u7ed3\u6784\u94a8\u548c\u5757\u4f53\u94a8\u7684\u6a21\u62df\u7ed3\u679c<\/strong><\/p>\n

\u00a0\"\"<\/strong><\/p>\n

\u00a0(a) \u5728\u542b\u6709\u548c\u4e0d\u542b(100) \u9762\u7684\u7eb3\u7c73\u5b54\u9053\u7ed3\u6784\u94a8\u548c\u5757\u4f53\u94a8\u4e2d\u7684\u6c26\u6ede\u7559\u6bd4\u4f8b\uff1b<\/p>\n

\u00a0(b) \u5728\u4e0d\u540c\u6e29\u5ea6\u4e0b\u7eb3\u7c73\u5b54\u9053\u7ed3\u6784\u94a8\u548c\u5757\u4f53\u94a8\u4e2d\u6c26\u56e2\u7c07\u5c3a\u5bf8\u5206\u5e03\u3002<\/p>\n

\u56fe<\/strong>5. <\/strong>\u7a7a\u4f4d\u5f62\u6210\u80fd\u548c\u6c26\u539f\u5b50\u675f\u7f1a\u80fd\u7684\u6a21\u62df\u7ed3\u679c<\/strong><\/p>\n

\"\"<\/p>\n

(a) \u7a7a\u4f4d\u5728\u8ddd\u8868\u9762\u4e0d\u540c\u539f\u5b50\u5c42\u4e2d\u7684\u5f62\u6210\u80fd\u53d8\u5316\uff1b<\/p>\n

(b) He-He\u675f\u7f1a\u80fd\u968f\u8ddd\u79bb\u8868\u9762\u6df1\u5ea6d<\/em>\u7684\u53d8\u5316\uff0c\u5176\u4e2da<\/em>\u4e3a\u94a8\u7684\u6676\u683c\u5e38\u6570\uff1b<\/p>\n

\u53f3\u4e0a\u89d2\u63d2\u56fe\u662f\u4e00\u4e2a\u542b\u6709\u4e09\u4e2a\u5728\u56db\u9762\u4f53\u4f4d\u7f6e\u7684He\u539f\u5b50\uff08\u84dd\u7403\uff09\u7684W\uff08\u7ea2\u7403\uff09\u6676\u80de\uff0c\u5176\u4e2d1\u548c2\uff0c2\u548c3\u662f\u7b2c\u4e00\u8fd1\u90bb\uff0c1\u548c3\u662f\u7b2c\u4e8c\u8fd1\u90bb\u3002<\/p>\n

\u3010\u5c0f\u7ed3\u3011<\/strong><\/p>\n

\u7eb3\u7c73\u5b54\u9053\u7ed3\u6784\u94a8\u5177\u6709\u4e30\u5bcc\u8868\u9762\u53ef\u4ee5\u4f5c\u4e3a\u6709\u6548\u7684\u201c\u6c89\u964d\u201d\u70b9\uff0c\u80fd\u6cbf\u7eb3\u7c73\u5b54\u9053\u8fc5\u901f\u6355\u83b7\u548c\u91ca\u653e\u6c26\u539f\u5b50\uff0c\u4ece\u800c\u5ef6\u7f13\u6c26\u6ce1\u7684\u5f62\u6838\u548c\u957f\u5927\uff0c\u51cf\u5c11\u7eb3\u7c73\u4e1d\u7684\u539a\u5ea6\u3002\u56e0\u6b64\uff0c\u7eb3\u7c73\u5b54\u9053\u7ed3\u6784\u94a8\u5728\u805a\u53d8\u7814\u7a76\u548c\u5f00\u53d1\u4e2d\u663e\u793a\u51fa\u4e00\u79cd\u6027\u80fd\u4f18\u5f02\u7684\u6297\u8f90\u7167\u9762\u5411\u7b49\u79bb\u5b50\u4f53\u90e8\u4ef6\u5019\u9009\u6750\u6599\u7684\u6f5c\u529b\u3002<\/p>\n

\u3010\u56e2\u961f\u4ecb\u7ecd\u3011<\/strong><\/p>\n

\u4efb\u5cf0\uff0c\u6b66\u6c49\u5927\u5b66\u7269\u7406\u79d1\u5b66\u4e0e\u6280\u672f\u5b66\u9662\u6559\u6388\uff0c\u535a\u58eb\u751f\u5bfc\u5e08\uff0c\u56fd\u5bb6\u81ea\u7136\u79d1\u5b66\u57fa\u91d1\u59d4\u4f18\u79c0\u9752\u5e74\u57fa\u91d1\u83b7\u5f97\u8005\uff0c\u6559\u80b2\u90e8\u65b0\u4e16\u7eaa\u4eba\u624d\u8ba1\u5212\u5165\u9009\u8005\u30022006\u5e74\u83b7\u5f97\u6b66\u6c49\u5927\u5b66\u7406\u5b66\u535a\u58eb\u5b66\u4f4d\u30022008\u5e74\u81f32010\u5e74\u5148\u540e\u5728\u7f8e\u56fdUC, Berkeley\/Lawrence Berkeley\u56fd\u5bb6\u5b9e\u9a8c\u5ba4\u548cLos Alamos\u56fd\u5bb6\u5b9e\u9a8c\u5ba4\u4ece\u4e8b\u535a\u58eb\u540e\u548c\u5ba2\u5ea7\u7814\u7a76\u3002<\/p>\n

\u4efb\u5cf0\u6559\u6388\u957f\u671f\u4ece\u4e8b\u79bb\u5b50\u675f\u4e0e\u56fa\u4f53\u76f8\u4e92\u4f5c\u7528\u53ca\u5176\u79bb\u5b50\u675f\u6280\u672f\u5728\u80fd\u6e90\u6750\u6599\u9886\u57df\u7684\u5e94\u7528\u7814\u7a76\u5de5\u4f5c\u3002\u81f3\u4eca\u4ee5\u7b2c\u4e00\u4f5c\u8005\u6216\u901a\u8baf\u4f5c\u8005\u5728Physical Review Letters\uff0cActa Materialia\uff0cNuclear Fusion\uff0cApplied Physics Letters\uff0cJournal of Materials Chemistry A\uff0cACS Applied Materials & Interfaces\uff0cNanoscale\uff0cJournal of Nuclear Materials\u7b49\u671f\u520a\u4e0a\u53d1\u8868SCI\u8bba\u658756\u7bc7\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1a<\/strong><\/p>\n

Nanochannel structures in W enhance radiation tolerance, Acta Mater. 153 (2018) 147-155.(DOI: https:\/\/doi.org\/10.1016\/j.actamat.2018.04.048)<\/p>\n

\u672c\u6587\u7531\u7b2c\u4e00\u4f5c\u8005\u79e6\u6587\u9759\u6295\u7a3f\u3002<\/p>\n

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