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Arno Duijster, Arno Volker, Frenk Van den Berg and Carola Celada-Casero
The applicability of laser ultrasonics for the determination of grain size and phase composition in steels under different temperatures was investigated. This was done by obtaining the velocity and attenuation of propagating ultrasonic waves in a simulat...
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Behdad Garmeh, Masoud Kasiri-Asgarani, Kamran Amini, Hamid Ghayour, Hamid Reza Bakhsheshi-Rad and Filippo Berto
Carbide-free bainitic (CFB) steels with a matrix of bainitic ferrite and thin layers of retained austenite, to reduce the manufacturing costs, usually do not contain alloying elements. However, a few reports were presented regarding the effect of alloyin...
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Ganwarich Pluphrach, Somchai Yamsai
Pág. 83 - 89
The ferrite grain size of a 22MnVNb6 microalloyed steel can be estimated by developing a relationship between ferrite grain size, austenitising temperature and cooling rate from austenitising time, temperature. An extended Hall-Petch relationship was use...
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I. A. Vakulenko,Yu. L. Nadezhdin,V. A. Sokyrko,Xu Xiao Hai
Pág. 137 - 144
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I. A. Vakulenko,S. V. Proydak
Pág. 97 - 104
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I. O. Vakulenko
Pág. 202 - 206
The influence of parameters of degree of plastic deformation for 30?80 % and subsequent temper on the structure and yielding stress in the microyield region of preimproved carbon steels has been studied. The classification of dispersed phase of ferrite i...
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I. O. Vakulenko,M. A. Hryshchenko,O. M. Perkov
Pág. 238 - 240
The observed questions of estimate stress intensity coefficient, strength of fatique and toughness behavior is considered to be result of a directional variation in the grain size of austenite and size of ferrite pearlite in carbon steel.
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