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| 1 | ISOCHRONOUS STRESS-STRAIN CURVES OF LOW ALLOY STEEL CROSS-WELD-SPECIMEN AT HIGH TEMPERATURE显示文摘In this work, a parametric approach is presented and utilized to determine the creep properties of weldments; then the model of creep strain for cross weld specimen is given. On the basis of the experimental results, attempt has been made to establish equations of the isochronous stress-strain for weld joint that can predict the function of loading and service time in use of the creep data of base metal and weld metal. | C.W.Ma F.Z.Xuan Z.D.Wang S.T.Tu | 2004 | Acta Metallurgica Sinica(English Letters)2004，17，4： | 4 |
| 2 | EVALUATION OF THE TIME DEPENDENT FAILURE ASSESSMENT CURVES FOR 10CrMo910 AND 316 SS AT 550℃显示文摘10CrMo910 and 316 stainless steel are widely adopted in high temperature structures of power generations, chemical processing plants and petroleum refineries. In this work, a total of 10000 hour tensile creep test on 16 specimens of such two materials was conducted at 550℃. On the basis of the experimental results, the isochronous stress-strain curves and time-dependent failure assessment curves of the two materials were given. Finally, the formulae of time dependent failure assessment curve for 10CrMo910 and 316 stainless steel corresponding to long-term creep cases, which could be utilized in the high temperature defects assessment, were established. The procedure for defining the time-dependent failure assessment curves was also presented. | F.Z.Xuan S.D.Tu Z.D.Wang C.W.Ma | 2004 | Acta Metallurgica Sinica(English Letters)2004，17，4： | 4 |
| 3 | NUMERICAL SIMULATION OF MACRO-SEGREGATION IN STEEL INGOT DURING SOLIDIFICATION显示文摘A mathematical model coupling the momentum, energy and species conservation equations was proposed to calculate the macro-segregation of Fe-C alloy ingot during solidification. The corresponding simulation software which concurrently solves the macroscopic mass, momentum, energy and species conservation equations has been developed by applying the SIMPLE algorithm.The thermo-solutal convection in a NH4 Cl-H2O ingot is verified and the result shows good agreement with that reported. Then macro-segregation in a steel ingot is simulated by using the developed program. The steel ingot is in a rectangular mold with a riser. The fluid flow is mainly induced by the temperature field and the solid fraction.The macro-segregation pattern is mainly affected by the thermo-induced convection in the mushy zone. The negative segregation forms along the walls of the casting.The positive segregation forms at the top center of the casting into the riser. The species concentration reaches the peak in the center of the ingot where solidification ends lastly. | C.W.Ma H.F.Shen T.Y.Huang B.C.Liu | 2004 | Acta Metallurgica Sinica(English Letters)2004，17，3： | 3 |
| 4 | SARS-CoV-2 N protein induces acute kidney injury in diabetic mice via the Smad3-Ripk3/MLKL necroptosis pathway显示文摘Dear Editor,Kidney is one of major organs attacked by SARS-CoV-2,resulting in acute kidney injury(AKI)in critically ill COVID-19 patients,especially in the elderly and diabetic patients with diabetic kidney disease(DKD).1,2 Among SARS-CoV-2 proteins,the N protein can be detectable in damaged tubules in COVID-19 patients with AKI. | Liying Liang Wenbiao Wang Junzhe Chen Wenjing Wu Xiao-Ru Huang Biao Wei Yu Zhong Ronald C.W.Ma Xueqing Yu Hui-Yao Lan | 2023 | Signal Transduction and Targeted Therapy2023，8，5： | 0 |
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