The influence of hot-rolling reductions and passes on the microstructure and mechanical properties of Mn18Cr18N ESR steel

Effect of the laying head temperature and controlled cooling process on microstructure and mechanical properties of 72LXA wire rod were investigated．The results show that under the same cooling process，with the raising laying temperature and increasing sorbitizing rate and decreasing proeutectoid ferrite，the steel rod strength is improving，proeutectoid ferrite and sorbitizing rate are the critical impact factors on steel rod properties；indentifying cooling after perlite forming can restrain the dissolve of lamellar cementite；the mechanical properties of whole rod coil are improved by the proper rolling rate and air cooling．The high strength of 1050 MPa of steel rod was obtained，that shows the defined hot rolling process can conform to the steel rod properties requirement．

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Effect of Annealing Temperature on the Microstructure and Mechanical Properties of the Al/Mg–8Li–3Al–1Zn/Al Composite Plates Fabricated by Hot Rolling

The Physics of Metals and Metallography ◽

10.1134/s0031918x19050144 ◽

2019 ◽

Vol 120 (5) ◽

pp. 447-453

Author(s):

Peng Ji ◽

Xudong Ma ◽

Ruizhi Wu ◽

Legan Hou ◽

Jinghuai Zhang ◽

...

Keyword(s):

Mechanical Properties ◽

Hot Rolling ◽

Annealing Temperature ◽

Composite Plates ◽

Microstructure And Mechanical Properties ◽

Al Composite

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Influence of Rolling Temperatures on Interface Microstructure and Mechanical Properties of Multi-Pass Rolling TA1/Q235B Explosive Welded Sheets

Metals ◽

10.3390/met10121654 ◽

2020 ◽

Vol 10 (12) ◽

pp. 1654

Author(s):

Huizhong Li ◽

Liangming Cao ◽

Xiaopeng Liang ◽

Wending Zhang ◽

Chunping Wu ◽

...

Keyword(s):

Mechanical Properties ◽

Tensile Strength ◽

Shear Strength ◽

Hot Rolling ◽

Transition Layer ◽

Rolling Temperature ◽

Rolled Sheet ◽

Interface Microstructure ◽

Microstructure And Mechanical Properties ◽

Rolling Temperatures

The effect of rolling temperatures on the interface microstructure and mechanical properties is investigated using 2-mm-thick TA1/Q235B composite sheets, which were prepared after nine passes of hot rolling of explosive welded plates. The results show that the vortex region and the transition layer exist in the interface at the explosive welded plate, while only the transition layer exists in the interface after hot rolling. The transition layer is composed of α-Ti, TiC, Fe, and FeTi, and the thickness increases with the increasing rolling temperature. The microhardness of the explosive welded plate is higher than that of the hot-rolling sheet, and the microhardness of interface are higher than that of matrix metals. The interface shear strength and tensile elongation of the hot-rolled sheet increase with the increasing hot rolling temperature, while the ultimate tensile strength (UTS), yield strength (YS) and Young modulus decrease with the increase of hot rolling temperature. The shear strength of sheets is related to the interfacial compounds, and the tensile strength is mainly affected by the grain morphology of the matrix.

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