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| 1 | Tensile properties and fracture behavior of Ti_2AlNb based alloys at room temperature显示文摘The tensile mechanical properties and fracture behaviors of Ti 22Al 20Nb 7Ta alloys were studied at room temperature. Three typical microstructures of Ti 2AlNb based alloys were obtained by combination of thermal mechanical processing and heat treat ment. They are: 1) lath mixture of O + B 2 with remaining β grain boundaries and α 2 phase; 2) equiaxed O phase in B 2 matrix; 3) fine lath mixture of O + B 2 without remaining β grain boundaries. It is shown that the microstructure obviously affects the tensile properties of Ti 2AlNb based alloys. The microstructure of fine lath mixture of O + B 2 without remaining β grain boundaries has good combination of yield stress and ductility, while the microstructure with lath mixture of O + B 2 with remaining β grain boundaries and α 2 phase has low yield stress and elongation. The fracture mode was also controlled by the microstructure of Ti 2AlNb based alloys. By means of SEM, it was found that the dominated fracture mode of microstructure with lath mixture of O + B 2 with remained β grain boundary and α 2 phase was intergranular, and the fracture mode of the other two microstructures was mainly transgranular. | PENG Ji hua(彭继华) 1, 2 , MAO Yong(毛 勇) 2, LI Shi qiong(李世琼) 2, SUN Xun fang(孙训方) 2 1. Department of Engineering Mechanics, Southwest Jiaotong University, Chengdu 610031, P.R.China 2. Division of Super Alloys, Central Iron and S | 2000 | 中国有色金属学会会刊:英文版2000，10，3： | 6 |
| 2 | Real-Time PCR Detection of Lactic Acid Bacteria in Cecal Contents of Eimeria tenella-lnfect- ed Broilers Fed Soybean Oligosacchafides and Soluble Soybean Polysaccharides显示文摘 | Lan Y Xun S Tamminga S | 2004 | Poultry Science2004，83，10： | 1 |
| 3 | Air pollution and lung cancer incidence in 17 European cohorts: prospective analyses from the European Study of Cohorts for Air Pollution Effects (ESCAPE) 显示文摘 | Raaschou-Nielsen 0 Andersen ZJ Beelen R Samoli E Stafoggia M Weinmayr G Hoffmann B Fischer P Nieuwenhuijsen MJ Brunekreef B Xun WW Katsouyanni K Dimakopoulou K Sommar J Forsberg B Modig L Oudin A Oftedal B Schwarze PE Nafstad p De Faire U Pedersen NL Ostenson CG Fratiglioni L Penell J Korek M Pershagen G Eriksen KT Serensen M Tjenneland A Ellermann T Eeftens M Peeters PH Meliefste K Wang M Bueno-de-Mesquita B Key TJ de Hoogh K Concin H Nagel G Yilier A Grioni S Krogh y Tsai MY Ricceri F Sacerdote C Galassi C Migliore E Ranzi A Cesaroni G Badaloni C Forastiere F Tamayo I Amiano P Dorronsoro M Trichopoulou A Bamia C Yineis p Hoek G | 2013 | Lancet Oncol2013，14，9： | 1 |
| 4 | Synthesis of CoFe2O4 nanowire arrays by sol-gel template method显示文摘 | Tang S L Xun B L | 2003 | Chemical Physics Letters2003，379，48： | 1 |
| 5 | Computer-aided Process Planning:a Critical Review of Recent Develop- ments and Future Trends 显示文摘 | Xun X Wang L H Newman S T | 2011 | International Journal of Computer Integrated Manufacturing2011，24，1： | 1 |
| 6 | Microstructure and tensile creep behavior of Mg-4A1 based magnesium alloys with alkaline-earth elements Sr and Ca additions显示文摘 | BAI J SUN Y S XUN S XUE F | 2006 | Materials Science and Engineering A2006，419，： | 1 |
| 7 | Microstructure and tensile creep behavior of Mg-4Al based magnesium alloys with alka- line-earth elements Sr and Ca additions 显示文摘 | BAI J SUN Y S XUN S | 2006 | Materials Science and Engineering A2006，419，： | 1 |
| 8 | Maize HapMap2 identifies extant variation from a genome in flux 显示文摘 | Jer-Ming Chia Chi Song Peter J Bradbury Denise Cos- tich Natalia de Leon John Doebley Robert J Elshire Brandon Gaut Laura Geller Jeffrey C Glaubitz Michael Gore Kate E Guill Jim Holland Matthew B Hufford Jinsheng Lai Meng Li Xin Liu Yanli Lu Richard Mc- Combie Rebecca Nelson Jesse Poland Boddupalli M Prasanna Tanja Pyhajarvi Tingzhao Rong Rajandeep S Sekhon Qi Sun Maud I Tenaillon Feng Tian Jun Wang Xun Xu Zhiwu Zhang Shawn M Kaeppler Jef- frey Ross-lbarra Michael D McMullen Edward S Buck- ler Gengyun Zhang Yunbi Xu Doreen Ware | 2012 | Nat Genet2012，，44： | 1 |
| 9 | Ecogeographic genetic epidemiology 显示文摘 | Chantel DS Eric JD Xun S | 2009 | Genet Epidemiol2009，33，4： | 1 |
| 10 | Microstructure and tensile behavior of Mg-4Al based magnesium alloys with Alkaline-earth elements Sr and Ca additions 显示文摘 | Bai J Sun Y S Xun S | 2006 | Mater Sci Eng A2006，419，： | 1 |
| 11 | Optimal design of a hybrid winding structure for planar eontactless battery charging platform 显示文摘 | LIU Xun HUI S Y | 2008 | IEEE Transactions on Power Electronics2008，23，1： | 1 |
| 12 | Mean Square Error Analy- ses of Adaptive Blind Source Separation Algorithms 显示文摘 | XUN X A DOUGLAS S C | 2001 | IEEE Signal Process on Neural Networks for Sig- nal Process2001，，2： | 1 |
| 13 | Deep oxidativedesulfurization of dibenzothiophene using lowtemperature-mediated titanium dioxide catalyst in ionicliquids显示文摘 | ZHENG D ZHU W S XUN S H | 2015 | Fuel2015，159，： | 1 |
| 14 | Single-molecule enzymatic dynamics显示文摘 | LU P XUN L XIE X S | 1998 | Science1998，282，： | 1 |
| 15 | Single-molecule enzymatic dynamics显示文摘 | Lu H P Xun L Xie X S | 1998 | Science1998，282，： | 1 |
| 16 | Li4P2O7 modified high performamce Li3V2 (PO4)3 cathode material显示文摘 | Xun S D Chong J Song X Y | 2012 | Chem Mater2012，22，15： | 1 |
| 17 | Vinyl fluoride as a mimic of the ‘intermediate'enol form in the 5α-reductase transformation: synthesis and in vitro activity of (N-1',1'-dimethylethyl)-3-haloandrost-3,5-diene-17β-carboxamides 显示文摘 | XUN LI SHANKAR M S VAN LUU-THE JEAN COTE | 1996 | Bioorganic & Medicinal Chemistry1996，4，1： | 1 |
| 18 | et al, Multiplex elec- trochemical immunoassay using gold nanoparticle probes and immunochromatographic strips 显示文摘 | Xun Mao Meenu Baloda Anant S | 2008 | Electrochem Commun2008，10，： | 1 |
| 19 | Improved initial per- formance of Si nanoparticles by surface oxide reduction for lithium-ion battery application显示文摘 | Xun S Song X Grass M | 2011 | Electrochem Sol- id-State Lett2011，14，5： | 1 |
| 20 | The measurement of ultrashort light pulses-simple devices, complex pulses显示文摘 | Gu Xun Akturk S Shreenath A | 2004 | Opt Rev2004，11，3： | 1 |
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