材料期刊网

Modeling Flow Stress of 70Cr3Mo Steel Used for Back-Up Roll During Hot Deformation Considering Strain Compensation

钢铁研究学报(英文版)

关键词:

FORMATION AND DISTRIBUTION OF MARTENSITE IN INDUSTRIAL MEDIUM CARBON STEEL

R.X.Wang , F.B.Meng and C.Q.Xu Schoolof materialscience and engineering , Hebei University of Technology , Tianjin 300130 , China

金属学报(英文版)

Observations were made of the martensite formation and distribution in industrial medium carbon steeland medium carbon alloyedsteel. Thelath martensitesdistribute mainlyin gra...

关键词: boundary , null , null , null

INFLUENCE OF HOT DEFORMATION ON CONTINUOUS COOLING BAINITIC TRANSFORMATION IN A LOW CARBON STEEL

Z.D. Wang , J.B. Qu , X.H. Liu and G.D. Wang(State Key Lab of Rolling and Automation , Northeastern University , Shenyang 110006 , China)

金属学报(英文版)

The influence of hot deformation conditions on continuous cooling bainitic transformation has been investigated for a low carbon microalloyed steel. The CCT diagrams show that deformation in unrecrpstallized...

关键词: bainite , null , null , null , null

BEHAVIOR OF SHORT FATIGUE CRACKS AT BLUNT NOTCHESIN A MEDIUM CARBON STEEL

Z.X. Wu and X.F. Sun ( Institute of Applied Mechanics , Southwest Jiaotong University , Chengdu 610031 , China State Key Laboratory for Fatigue and Fracture of Materials , Institute of Metal Research , Chinese Academy of Sciences , Shenyang 110015 , China)

金属学报(英文版)

The behavior of part-through and through short cmcks in single edge blunt notched specimens of a medium carbon steel was investigated by a replication method. It is found that the fatigue failure of these no...

关键词: medium carbon steel , null , null , null , null

Fine microstructure of bainitic ferrite in bainitic steel

钢铁研究学报(英文版)

The fine microstructures of medium and medium-high carbon bainitic steels were observed and analyzed by high resolution electron microscope (HREM). The investigation results sh...

关键词: steel;bainite;ferrite;retained austenitic;microstructure

Influence of Nb on Microstructure and Property of Low-Carbon Mn-Series air-cooled Bainitic Steel

WANG Yong-Wei

钢铁研究学报(英文版)

The effect of Nb on the microstructure evolution of low carbon Mn series air cooling bainitic steels has been discussed in this paper by using Gleeble 1500D, SEM, and TEM observation. The results show that: The amount of grain boundary al...

关键词: Mn-series bainitic steel;grain boundary allotriomorphic ferrites;finishing rolling temperature;Nb micro-alloyed;toughness

Mn-Series Low-Carbon Air-Cooled Bainitic Steel Containing Niobium of 0.02%

FENG Chun , FANG Hong-sheng

钢铁研究学报(英文版)

A new hot-rolled low carbon air-cooling bainitic steel containing 0.02%Nb has been developed based on alloying design of the grain boundary allotriomorphic ferrite (FGBA)/ granular bainite (BG) duplex

关键词: Low carbon air cooling bainitic steel;Small addition of Nb;Microstructure;Mechanical properties

Effect of boron addition on the microstructures and mechanical properties of thermomechanically processed and tempered low carbon bainitic steels

Liangyun LAN

金属学报(英文版)

Thermomechanical process and tempering heat treatment were employed to produce the experimental steel plates. The effect of boron addition on the microstructure and mechanical properties of low carbon bainitic

关键词: Low carbon bainitic steel

ON DEGRADATION OF DUCTILITY INDUCED BY HYDROGEN IN MEDIUM CARBON STEELS

DU Jiaju TONG Shihua Institute of Solid State Physics , Academia Sinica , Hefei , China [Originally published in ACTA METALL SIN(CHINESE EDN)25(3)1989 pp A226—A228 , Associate Professor , Institute of Solid State Physics , Academia Sinica , Hefei , China

金属学报(英文版)

Optical microscope,SEM and IMMA investigation show that a strong interaction between hydrogen and calcium aluminate inclusions containing MgO may occur in medium carbon steels.This causes the hydrogen accumulating around the inclusions an...

关键词: hydrogen , null , null

Effect of Boron on Delayed Fracture Resistance of MediumCarbon High Strength Spring Steel

NIE Yihong , HUI Weijun , FU Wantang , WENG Yuqing

钢铁研究学报(英文版)

The delayed fracture behavior of mediumcarbon high strength spring steel containing different amounts of boron (0000 5%, 0001 6%) was studied using sustained load delayed fracture test. The results show t...

关键词: boron;delayed fracture resistance;mediumcarbon high strength spring steel