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| 1 | Oxygen Permeation Behaviors and Hardening Effect of Titanium Alloys at High Temperature显示文摘In order to improve the surface hardness and wear resistance of Ti and Ti alloy components, an oxygen permeationtreatment (OPT) was developed. The oxygen permeation behaviors of three Ti alloys, TA2, TB5 and TC11, treatedin air with O-P medium at high temperature have been studied. The results show that the O-P treatment cansignificantly improve the surface hardness of Ti alloys. The oxidation mass-gain of β-Ti alloy (TB5) is much higherthan α-Ti alloy (TA2) under the same condition, while α+β Ti alloy (TC11) is the lowest. All the Ti alloys treatedat this condition produce two surface layers: the outer layer consists mainly of TiO2, as well as trace of other oxides,and the inner layer consists of a Ti-O interstitial solid solution formed by the diffusion of oxygen in α crystal latticeThick scales of β Ti alloy (TB5) are easily formed depending mainly on the poor solid solution content of oxygen,while deep solution layer can be formed since partial β phase has been transformed into α phase. The scales of α-βTi alloy (TC11) are very thin and compact. Aluminum-rich zone, as well as deficient zone, is found in oxide layerrs.A crystallographic characterization of oxygen solution layer has been performed and evaluated by crystallographiclattice constant. | Hongyan MA, Maocai WANG and Weitao WUState Key Laboratory for Corrosion and Protection, Institute of Metai Research, Chinese Academy of Sciences, Shenyang 110016, ChinaGraduate School of the Chinese Academy of Sciences, Beijing 100039, China | 2004 | Journal of Materials Science & Technology2004，20，6： | 3 |
| 2 | Effect of Phosphorus on Stress Rupture Properties of GH4133 Ni-Base Superalloy显示文摘The effect of phosphorus on the stress rupture property of GH4133 alloy has been investigated and is compared with that of IN718 alloy. The GH4133 alloy is crept by dislocation movement. Phosphorus has a tendency to prolong the rupture life of some wrought superalloys by inhibiting the dislocation movement. If the phosphorus addition is too high, its effect on impairing the grain boundary cohesion overwhelms that on inhibiting the dislocation movement,and the life of the GH4133 alloy can be shortened. The two functions of inhibiting the dislocation movement and impairing the grain boundary cohesion determine that the optimum phosphorus content in the GH4133 alloy is around 0.011 wt pct. Phosphorus exhibits a greater effect on prolonging the rupture life of IN718 alloy than that of GH4133alloy. The two alloys are crept by different mechanisms. The intergranular phosphorus-bearing phase is precipitated in the IN718 alloy, while not in the GH4133 alloy. The precipitation of the phosphorus bearing phase can balance the phosphorus segregation at the grain boundaries and allows a more remarkable effect of phosphorus on extending the rupture life of IN718 alloy. | Wenru SUN+, Shouren GUO, Baiyun TONG, Dezhong LU, Yan XU, Xiaona MENG, Na LI and Zhuangqi HUDepartment of Superallovs, Institute of Metai Research, Chinese Academy of Sciences, Shenyang 110016, China | 2003 | Journal of Materials Science & Technology2003，19，4： | 2 |
| 3 | Increase pulmonary vascular contraction to serotonin after eardiopulmonary bypass:role of eyclooxygenase显示文摘 | Sato K Li J Metais C | 2000 | J Surg Res2000，90，2： | 1 |
| 4 | Identification of candidates for a subunit vaccine against extraintestinal pathogenic Escherichia coli 显示文摘 | Durant L Metais A Soulama-Mouze C | 2007 | Infect Immun2007，75，4： | 1 |
| 5 | Building core competeneies in crisis management through organizational learning显示文摘 | Roux-Dufort Christophe and Emmanuel Metais | 1999 | Technological Forecasting and Social Change1999，，： | 1 |
| 6 | Do firms forget about their past acquisitions? Evidence from French acquisitions in the United States ( 1988-2006 ) 显示文摘 | Meschi P X Metais E | 2013 | Journal of Management2013，39，2： | 1 |
| 7 | Soils, a sink for N2O? A review显示文摘 | Chapuis-Lardy L Wrage N Metay A | 2007 | Global Change Biology2007，13，1： | 1 |
| 8 | (1998),A Socio-economic Study of Companies through their Training Polices:New Empirical Considerations in the French显示文摘 | Emmanuel Metais | 1998 | Context Management International Review First Quarter1998，，： | 1 |
| 9 | Numerical modelling of electro- gnetically-riven turbulent flows using LES methods 显示文摘 | Felten F Fautrelle Y Du Terrail Y Metais O | 2004 | Applied Mathematical Modelling2004，28，1： | 1 |
| 10 | Microvascular endothe- lial dysfunction and its mechanism in a rat model of subarachnoid hemorrhage 显示文摘 | PARK K W METAIS C DAI H B | 2001 | Anesth Analg2001，92，4： | 1 |
| 11 | Microvascular endothelial dysfunction and its mechanism in a rat model of subarachnoid hemorrhage显示文摘 | Park KW Metais C Dai HB | 2001 | Anesth Analg2001，92，4： | 1 |
| 12 | Attenuation of endotheliumdependent dilation of pig pulmonary arterioles after cardiopulmonary bypass is prevented by monoclonal antibody to complement c5a显示文摘 | Park KW Tofukuji M Metais C | 1999 | Anesth Analg1999，89，1： | 1 |
| 13 | Effects of coronary artery disease on expression and microvascular response to VEGF显示文摘 | Metais C Li JY Li J | 1998 | Am J Physiol1998，，： | 1 |
| 14 | Numerical modelling of electro-gnetically-riven turbulent flows using LES methods显示文摘 | Flelten F Fautrelle Y Du T Y Metais O | 2004 | Applied Mathematical Modelling2004，28，1： | 1 |
| 15 | Soils, a sink for N2 O? A review 显示文摘 | Chapuis-Lardy L Wrage N Metay A | 2007 | Global Change Biology2007，13，1： | 1 |
| 16 | Les acides nucleiques du plasma sanguin chez l'homme显示文摘 | Mandel P Metais P | 1948 | CR Acad Sci Paris1948，142，34： | 1 |
| 17 | Numerical simu-lation of coherent vortices in turbulence显示文摘 | LESIEUR M COMTE P METAIS 0 | 1995 | AppliedMechanics Reviews1995，48，3： | 1 |
| 18 | Cavitation Erosion Behavior of CrMnN Duplex Stainless Steel in Distilled Water and 3% NaCl Solution显示文摘The cavitation erosion (CE) behavior of CrMnN ferrite-austenite duplex stainless steel in distilled water and 3% NaCl solution was investigated by using a magnetostrictive-induced CE facility. The damaged surfaces were observed by scanning electron microscope (SEM). It was found that the CE resistance of CrMnN steel was higher than that of 0Cr13Ni5Mo steel. The mass loss rate of CrMnN steel in distilled water was similar to that in 3% NaCl except at the early stage of CE. The failure mode of ferrite phase was brittle fracture, which had adverse effect on the resistance to CE, while the failure of austenite phase was a ductile failure in CrMnN steel. The excellent resistance to CE was related to the good mechanical properties of austenitic phase and the consumption of CE energy by plastic deformation involving slip and twinning. | Suzhen LUO, Yugui ZHENG, Wei LIU, Heming JING, Zhiming YAO and Wei KEState Key Laboratory for Corrosion and Protection, Institute of Metai Research, Chinese Academy of Sciences, Shenyang 110016, China | 2003 | Journal of Materials Science & Technology2003，19，4： | 1 |
| 19 | Microvascular endothelial dysfunction and its mechanism in a rat model of subarachnoid hemorrhage显示文摘 | Park KW Metais C Dai HB | 2001 | Anesth Analg2001，92，： | 1 |
| 20 | New trends in large-eddy simulations of turbulence显示文摘 | Lesieur Mm Metais O | 1996 | Ann Rev Fluid Mech1996，28，： | 1 |
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