Hot deformation behavior and microstructural evolution of as-cast 304L antibacterial austenitic stainless steel

被引：8

作者：

Li, Juan ^{[1
,2
]}

Zhao, Guanghui ^{[1
,2
,3
]}

Chen, Huiqin ^{[1
,2
]}

Huang, Qingxue ^{[2
,3
]}

Ma, Lifeng ^{[1
,2
,3
]}

Zhang, Wei ^{[2
,4
]}

机构：

[1] Taiyuan Univ Sci & Technol, Taiyuan 030024, Shanxi, Peoples R China

[2] Coordinat Innovat Ctr Taiyuan Heavy Machinery Equ, Taiyuan, Shanxi, Peoples R China

[3] Shanxi Prov Key Lab Met Device Design Theory & Te, Taiyuan, Shanxi, Peoples R China

[4] Taiyuan Iron & Steel Grp Co Ltd, Taiyuan, Shanxi, Peoples R China

来源：

MATERIALS RESEARCH EXPRESS | 2018年 / 5卷 / 02期

关键词：

hot deformation behavior; antimicrobial austenitic stainless steel; constitutive model; dynamic recrystallization; DYNAMIC RECRYSTALLIZATION; STRAIN RATES; COMPRESSION; MECHANISMS; WORKING; CU;

D O I：

10.1088/2053-1591/aaa445

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Hot deformation behavior of as-cast antibacterial austenitic stainless steel with 2.42% copper was investigated in the temperature range of 900 degrees C-1150 degrees C, and the strain rates ranged from 0.01 to 20 s(-1). At strain rates higher than 1 s(-1), the flow stress curves were corrected by considering adiabatic heating. Kinetic analysis indicated that the hot deformation activation energy of the steel was 375.65 kJ mol(-1). The dynamic recrystallization (DRX), misorientation, and twins were analyzed using optical microscope or electron backscatter diffraction. The results showed that DRX mechanism in hot deformation mainly corresponded to discontinuous recrystallization at high temperature and with a high rate. By increasing the temperature and strain rate, the recrystallization degree and the twin ratio increased simultaneously. Both of these factors promoted one another.

引用

页数：9

共 24 条

[1]

[Anonymous], J WUHAN U TECHNOL MA

[2] Dynamic recrystallization mechanisms and twining evolution during hot deformation of Inconel 718 [J].

Azarbarmas, M. ;

Aghaie-Khafri, M. ;

Cabrera, J. M. ;

Calvo, J. .

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2016, 678 :137-152

[3]

Bin G J., 2014, Foundry Equipment and Technology, V2, P45

[4] Quantitative analysis: How annealing temperature influences recrystallization texture and grain shape in tantalum [J].

Fan, Haiyang ;

Liu, Shifeng ;

Deng, Chao ;

Wu, Xiaodong ;

Cao, Lingfei ;

Liu, Qing .

INTERNATIONAL JOURNAL OF REFRACTORY METALS & HARD MATERIALS, 2018, 72 :244-252

[5] The adiabatic correction factor for deformation heating during the uniaxial compression test [J].

Goetz, RL ;

Semiatin, SL .

JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE, 2001, 10 (06) :710-717

[6] Antibacterial properties, corrosion resistance and mechanical properties of Cu-modified SUS 304 stainless steel [J].

Hong, IT ;

Koo, CH .

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2005, 393 (1-2) :213-222

[7]

[李长荣 LI Changrong], 2010, [热加工工艺, Hot Working Technology], V39, P8

[8] Arrhenius-type constitutive model and dynamic recrystallization behavior of V-5Cr-5Ti alloy during hot compression [J].

Li, Yu-fei ;

Wang, Zhen-hong ;

Zhang, Lin-ying ;

Luo, Chao ;

Lai, Xin-chun .

TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA, 2015, 25 (06) :1889-1900

[9] Constitutive flow behaviour of austenitic stainless steels under hot deformation: artificial neural network modelling to understand, evaluate and predict [J].

Mandal, Sumantra ;

Sivaprasad, P. V. ;

Venugopal, S. ;

Murthy, K. P. N. .

MODELLING AND SIMULATION IN MATERIALS SCIENCE AND ENGINEERING, 2006, 14 (06) :1053-1070

[10] Role of Twinning on Dynamic Recrystallization and Microstructure During Moderate to High Strain Rate Hot Deformation of a Ti-Modified Austenitic Stainless Steel [J].

Mandal, Sumantra ;

Bhaduri, A. K. ;

Sarma, V. Subramanya .

METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE, 2012, 43A (06) :2056-2068

← 1 2 3 →