Results 101 to 110 of about 5,301 (214)

Simultaneously enhancing the strength and plasticity of Ti-based bulk metallic glass composites via microalloying with Ta

Materials Research Letters, 2020
Characteristics of deformation-induced transformation under loading dictate the mechanical performance of TRIP (transformation-induced plasticity)-reinforced bulk metallic glass composites (BMGCs), which have shown great potential as engineering ...
Jie Zhou, Yuan Wu, Suihe Jiang, Wenli Song, Hailong Huang, Huahai Mao, Hui Wang, Xiongjun Liu, Xianzhen Wang, Zhaoping Lu   +9 more
doaj   +1 more source

Effect of Nb Content on Strength and Toughness of 25MnB Crawler Steel and Its Microstructural Characterization

Metals
To address the failure of 25MnB crawler track steel due to insufficient strength and toughness, this study designed a new type of 25MnB crawler track steel and investigated the effects of the Nb content on its mechanical properties, microstructure ...
Zixun He, Jianjing Wang, Houxin Wang, Yajie Cui, Zhengbing Meng, Jiangbo Deng, Meiqiao Wu, Chaoyang Zhou, Xinbin Liu   +8 more
doaj   +1 more source

Effect of Fe Element and Ultrasonic Vibration on the Microstructure and Mechanical Properties of the Cu-TiB₂ Composites

Metals
Cu-(Fe-Ti)-TiB2 composites were prepared by in situ reaction and vacuum casting with and without ultrasonic vibration. The evolution of the microstructure and mechanical properties of the composite with the variation in Fe element was analyzed.
Siruo Zhang, Guanglong Li, Cunhu Duan, Yingdong Qu, Min Cheng, Shulin Dong   +5 more
doaj   +1 more source

Segregation Behaviour of Third Generation Advanced High-Strength Mn-Al Steels [PDF]

, 2012
The paper addresses the macro- and microsegregation of alloying elements in the new-developed Mn-Al TRIP steels, which belong to the third generation of advanced high-strength steels (AHSS) used in the automotive industry.
A. Grajcar
core   +2 more sources

Enhancing Hydrogen Embrittlement Resistance of Al–Zn–Mg–Cu Alloys via Si Microalloying and Optimized Heat Treatment

Metals
7xxx series aluminum alloys are critical structural materials in aerospace applications, but their susceptibility to hydrogen embrittlement (HE) poses significant challenges to service safety and durability.
Huijun Shi, Ruian Hu, Yi Lu, Shengping Wen, Wu Wei, Xiaolan Wu, Kunyuan Gao, Hui Huang, Zuoren Nie   +8 more
doaj   +1 more source

Istraživanje promjena raspodjele i brzine deformacije u okolini prijeloma s videoekstenziometričkom metodom [PDF]

, 2010
The paper deals with the strain distribution and the strain rate of material in the surroundings of its fracture. Three steels applied in the automotive industry (DP - dual phase steel, microalloyed steel HR 45 and IF - interstitial free steel) were used
M. Mihaliková
core   +1 more source

Investigation of the Influence of Nanodispersed Compositions Obtained by Plasmochemical Synthesis on the Crystallization Processes of Structural Alloys [PDF]

, 2017
The state of the problem of stabilizing the structure, improving the quality and properties of structural alloys is studied. To solve the problem, it is proposed to modify melts of low–alloyed alloys with nanodispersed compositions obtained by plasma ...
Dzhur, Y. (Yevgen), Grekova, M. (Maryna), Guchenkov, M. (Michael), Kalinin, A. (Alexander)   +3 more
core   +2 more sources

An Analysis on Surface Cracks Formation of H Beam of Nb-V Microalloying Steel BS55C

Teshugang, 2006
The causes of surface cracks formation of H beam of Nb-V microalloying steel BS55C-0. 14~0. 17C,0.45~0.55Si,1.25~1.45Mn,0.08～0. 10V,0.03～0.05Nb have been analyzed.
刘建华, 包燕平, 松林, 李建中, 汤寅波   +4 more
doaj  

Effect of Precipitated Particles on Austenite Grain Growth of Al- and Nb-Microalloyed 20MnCr Gear Steel

Metals
The paper deals with the effect of the morphology characteristics, grain size, and the volume fraction of AlN- and NbC-precipitated particles on the prior austenite grain growth behavior in the Al- and Nb-microalloying 20MnCr gear steel during pseudo ...
Yingqi Zhu, Shitao Fan, Xiuzhen Lian, Na Min   +3 more
doaj   +1 more source

Precipitation behavior of Nb in hot-rolled Nb-microalloyed TRIP steel during high-temperature deformation

工程科学学报, 2015
Hot-rolled TRIP steel with 0.038% Nb was thermomechanically processed on a Gleeble simulation test machine. The microstructural evolution and the precipitation behavior of Nb were analyzed by optical microscopy, scanning electron microscopy, and ...
FENG Qing-xiao, LI Long-fei, YANG Wang-yue, SUN Zu-qing   +3 more
doaj   +1 more source