共搜索到17312条信息，每页显示10条信息，共1732页。用时：0小时0分0秒488毫秒
dispersed homogeneously in martensite matrix and demonstrates highest impact toughness of 18.4 J/cm2 and hardness of 50 HRC.Key words:ultrahigh carbon steel; molybdenum; microstructure; impact toughness...Effect of Mo on mechanical properties of modified ultrahigh carbon steels after heat-treatmentLI Lei(李磊), HU Bin(胡彬), LIU Sheng-gen(刘生根), LIU Hua-shan(刘华山), ZHENG Feng(郑峰) (School of Materials......
Ultrahigh hardness of carbon steel surface realized by novel solid carburizing with rapid diffusion of carbon nanostructuresQing Tao1,Jian Wang1,Liming Fu2,Zheng Chen1,Chengjin Shen1,Dekun Zhang1,Zhi..." name="ChDivSummary">In this study, a novel rapid solid carburizing process with a large diffusion depth using nano-diamonds(NDs) was conducted for low carbon steel. Changes of annealed NDs were......
smaller than 22.5 μm.Key words:cellular automaton; dynamic recrystallization; 23Co13Ni11Cr3Mo, ultrahigh strength steel...Simulation of dynamic recrystallization in 23Co13Ni11Cr3Mo steel using a modified cellular automatonHUANG Shi-quan(黄始全)1, YI You-ping(易幼平)1, LI Peng-chuan(李蓬川)2, HE Hai-lin(何海林)1(1. State Key......
:A 文章编号:1672-7207(2016)04-1111-10 A constitutive model for ultrahigh strength steel BR1500HS and its validation XIA Yufeng, JI Shuai, ZHANG Yandong (School of Material Science and Engineering, Chongqing University, Chongqing 400044, China) Abstract: The deformation behaviors of ultrahigh strength steel BR1500HS at elevated temperature were studied......
Development of Low and Middle Carbon Martensite Spring Steel with High Strength and Toughness for Automobile Zhu Yin-lu1,Wu Zi-ping1,CHEN Hui-huang1,LI Ye-sheng1 (1.JiangXi University of Science... development of automobile, a new low and middle carbon spring steel35Si2CrMnVB, C0.34, Sil.66, Mn0.80, Cr0.67, V0.13, B0.001, P0.011, S0.014 wt.%, has been developed. Comparison between the new spring steel......
The Study on 400 MPa Class Plain Carbon Structure Steel DU Lin-xiu1,WANG Guo-dong1,LI Wei-juan2,ZHANG Hong-mei2,LI Sheng-li2 (1.State Key Lab of Rolling and Automatic, Northeastern University... construction and development of society, and such material is characterized by ultra-fine grain. In this paper, 400MPa class plain carbon structure steel has been studied, making its yield strength......
Effects of Si on the stability of retained austenite and temper embrittlement of ultrahigh strength steelsLi-jun Wang,Qing-wu Cai,Hui-bin Wu,and Wei Yu National Engineering Research Center... austenite and temper embrittlement of ultrahigh strength steels were investigated using X-ray diffraction (XRD),transmission electron microscopy (TEM),and other experimental methods.The results show......
Fabrication of cast carbon steel with ultrafine TiC particles Sang-Hoon LEE, Jin-Ju PARK, Sung-Mo HONG, Byoung-Sun HAN, Min-Ku LEE, Chang-Kyu RHEE Nuclear Materials Research Division, Korea... high energy ball milling machine were mixed with Sn powders as a surfactant to get better wettability by lowering the surface tension of carbon steel melt. The microstructural investigations by OM......
THE ELECTROCHEMICAL BEHAVIOR OF OCEANIC MICROBIOLOGICAL INFLUENCED CORROSION ON CARBON STEEL S. Cheng1,X.T. Chang1,G.H. Niu1,Y.S. Yin1,S.B. Sun1,T. Liu1 (1.Institute of Materials Science and Technology, Ocean University of China,Qingdao 266003, China;2.College of Materials Science and Technology, Shandong University, Jinan 250061,China) Abstract:The corrosion behavior of carbon steel......
W, Mo, Co Co-diffusion on Steel with Different Carbon Content LI Zhong-hou1,LIU Yan-ping1,XU Zhong1,ZHANG Yan-mei1 (1.Research Institute of Surface Engineering, Taiyuan University of Technology... and 20 steel possess good toughness. Alloyed layer of carbide type exhibits slightly brittleness. 关键词:surface alloying; carbon steel; W; Mo; Co co-diffusion; hardness; brittleness; [全文内容正在添加中] ......
