Results 191 to 200 of about 19,906 (261)

Quantitative phase analysis of martensite-bainite steel using EBSD and its microstructure, tensile and high-cycle fatigue behaviors

, 2020
This study conducted a quantitative analysis of the martensite/bainite (M/B; bainitic structure region) fraction of martensite-bainite steel using electron back-scatter diffraction (EBSD) analysis. The M/B fraction analyzed using the EBSD analysis method
M. Baek, Kyu‐Sik Kim, T. Park, J. Ham, Kee-Ahn Lee   +4 more
semanticscholar   +1 more source

Atomic-scale observation of hydrogen trap sites in bainite–austenite dual-phase steel by APT

, 2021
It was reported by the thermal desorption analysis (TDA) of hydrogen that bainite–austenite dual-phase steels showed two activation energies of ~30 kJ/mol and ~ 47 kJ/mol under low- and high-fugacity conditions, respectively, and the latter energy ...
J. Takahashi, K. Kawakami, Yuuji Sakiyama, Tomohiko Ohmura   +3 more
semanticscholar   +1 more source

Effect of introduced vanadium carbide at the bay region on bainite transformation, microstructure and mechanical properties of high-carbon and high-silicon steel

, 2021
Obtaining a fine bainitic ferrite for high carbon steel at low temperature requires a long period. Thus, creating strategies to accelerate bainite transformation is important. This investigation aims to explore the introduction of vanadium carbide at the
Dongyun Sun, Chang-Bo Liu, Xiao-Yan Long, Xiao-jie Zhao, Yan-Guo Li, B. Lv, Fu-Cheng Zhang, Zhi-Nan Yang   +7 more
semanticscholar   +1 more source

Effect of nickel on hardening behavior and mechanical properties of nanostructured bainite-austenite steels

, 2021
Ni-free and Ni-bearing steels were designed to elucidate the effect of Ni on the free energy of bainitic transformation. Steels with two distinct nano-bainite structures were obtained through conventional one-stage and two-stage isothermal treatments ...
Hang Dong, C. Hu, G.-H. Wu, Kai Wu, R. Misra   +4 more
semanticscholar   +1 more source

Dry bainitizing – a new process for bainitic microstructures

HTM Journal of Heat Treatment and Materials, 2009
Abstract Bainitizing is used in today's industry when high toughness of steel components is required in combination with high hardness values. Compared to martensite, the main advantages of bainite are the higher toughness and the high level of compressive stresses on the surface of the ...
V. Heuer, K. Löser, J. Ruppel
openaire   +1 more source

Comparative study of the stress corrosion behavior of a multiuse bainite steel in the simulated tropical marine atmosphere and seawater environments

, 2020
Stress corrosion cracking (SCC) behavior of a multiuse high-strength low-alloy (HSLA) bainite steel was comparatively studied in the simulated seawater and marine atmosphere environments using electrochemical measurements, static load SCC and slow strain
Wei Wu, Wen-Kui Hao, Zhi-Yong Liu, Xiao-Gang Li, Cui-Wei Du   +4 more
semanticscholar   +1 more source

Understanding of the Bainite Transformation in a Nano-Structured Bainitic Steel

Solid State Phenomena, 2011
A 0.79C-1.5Si-1.98Mn-0.98Cr-0.24Mo-1.06Al-1.58Co (wt%) steel was isothermally heat treated at 200°C for 10 days to form a nano-scale bainitic microstructure consisting of nanobainitic ferrite laths with high dislocation density and retained austenite films.
Peter Hodgson, Ilana Timokhina, Xiang Yuan Xiong, Yoshitaka Adachi, Hossein Beladi   +4 more
openaire   +1 more source

Crystallography of carbide-free bainite in a hard bainitic steel

Materials Science and Engineering: A, 2006
The convergent beam Kikuchi line diffraction technique has been used to accurately determine the orientation relationships between bainitic ferrite and retained austenite in a hard bainitic steel. A reproducible orientation relationship has been uniquely observed for both the upper and lower bainite.
Zhang, M., Kelly, P. M.
openaire   +4 more sources

Tensile deformation damage behavior of a high deformability pipeline steel with a ferrite and bainite microstructure

, 2020
The work-hardening characteristics and deformation behavior of high deformability pipeline steel with a polygonal ferrite and bainite microstructure were studied in this paper.
Xing-yang Tu, Xian-Bo Shi, Yiyin Shan, Wei Yan, Q. Shi, Yanfen Li, Chang-Sheng Li, Ke Yang   +7 more
semanticscholar   +1 more source

Strengthening mechanisms influenced by silicon content in high temperature tempered martensite and bainite

Materials Science & Engineering: A, 2020
Strengthening mechanisms influenced by silicon (Si) content during tempering of martensite and bainite between 500 and 650 °C were investigated.
J. Klemm-Toole, J. Benz, I. Vieira, A. Clarke, Steven W Thompson, K. Findley   +5 more
semanticscholar   +1 more source