Results 31 to 40 of about 2,369,387 (292)

Constitutive modeling of TA15 alloy sheet coupling phase transformation in non-isothermal hot stamping process

Journal of Materials Research and Technology, 2021
The simultaneous occurrence of phase transformation and deformation for titanium alloy sheets is an important feature in hot stamping process where components are formed in room-temperature tools by hot blanks.
Yuan Chen, Shuhui Li, Yongfeng Li, Yaoqi Wang, Zhiqiang Li, Zhongqin Lin   +5 more
doaj   +1 more source

Understanding the Effect of Austempering Temperature on the Crystallographic Features and Mechanical Properties of Low-Carbon Bainitic Steel

Crystals
The effect of austempering temperature on crystallographic features and mechanical properties is investigated in low-carbon bainitic steel, focusing on the relationship between microstructure and mechanical properties. After isothermal holding at, above,
Hao Wu, Jieru Yu, Ziqi Wang, Guangjie Qi, Bai Xiao, Bin Hu, Shilong Liu, Yishuang Yu   +7 more
doaj   +1 more source

Optical transformation from chirplet to fractional Fourier transformation kernel

, 2009
We find a new integration transformation which can convert a chirplet function to fractional Fourier transformation kernel, this new transformation is invertible and obeys Parseval theorem.
Dirac PAM, Hong-yi Fan, Li-yun Hu
core   +1 more source

Phase transformation strengthening of high-temperature superalloys

Nature Communications, 2016
Nanoscale processes may directly impact macroscopic mechanical behaviour. Here authors describe a ‘phase-transformation strengthening’ mechanism in nickel-based high temperature alloys, allowing suppression of deleterious deformation processes at ...
T. M. Smith, B. D. Esser, N. Antolin, A. Carlsson, R. E. A. Williams, A. Wessman, T. Hanlon, H. L. Fraser, W. Windl, D. W. McComb, M. J. Mills   +10 more
doaj   +1 more source

Phase field study on crystal orientation effects in eutectoid phase transformation [PDF]

China Foundry, 2017
In this present work, a multi-phase field model was used to simulate the eutectoid transformation process, and on the basis of the nucleation model that was previously proposed by our research team, anisotropic and orientation relationship models were ...
Dong-qiao Zhang, Ya-jun Yin, Jian-xin Zhou   +2 more
doaj   +1 more source

Phase Fluctuations in Bose-Einstein Condensates

, 2002
We demonstrate the existence of phase fluctuations in elongated Bose-Einstein Condensates (BECs) and study the dependence of those fluctuations on the system parameters.
Arlt, J. J., Dettmer, S., Ertmer, W., Hellweg, D., Kreutzmann, H., Lewenstein, M., Petrov, D. S., Ryytty, P., Santos, L., Sengstock, K., Shlyapnikov, G. V.   +10 more
core   +1 more source

Complexion-mediated martensitic phase transformation in Titanium

Nature Communications, 2017
One way of tuning mechanical properties of alloys lies in utilizing athermal phase transitions. Here authors report a complexion-mediated martensitic transformation in Ti alloys yielding a nanolaminate structure of martensite bounded by planar ...
J. Zhang, C. C. Tasan, M. J. Lai, A. -C. Dippel, D. Raabe   +4 more
doaj   +1 more source

Microstructural variations at different distance from the surface in forged 18 Ni C300 maraging steel

Journal of Materials Research and Technology, 2019
Microstructure and microtexture of forged 18 Ni C300 maraging steel at different solution annealed temperatures were studied to show strain distribution associated with forged surface distance. Samples were examined by Electron Back-Scattered Diffraction
Nathália Cândido Figueiredo, Carlos Augusto Silva de Oliveira, Mohammad Masoumi, Hamilton Ferreira Gomes de Abreu   +3 more
doaj   +1 more source

Kinetics of phase transition from lamellar to hexagonally packed cylinders for a triblock copolymer in a selective solvent

, 2007
We examined the kinetics of the transformation from the lamellar (LAM) to the hexagonally packed cylinder (HEX) phase for the triblock copolymer, polystyrene-b-poly (ethylene-co-butylene)-b-polystyrene (SEBS) in dibutyl phthalate (DBP), a selective ...
Bansil, Rama, Li, Minghai, Liu, Yongsheng, Steinhart, Milos   +3 more
core   +2 more sources

The role of phase interface energy in martensitic transformations: a lattice Monte-Carlo simulation

, 2014
To study martensitic phase transformation we use a micromechanical model based on statistical mechanics. Employing lattice Monte-Carlo simulations and realistic material properties for shape-memory alloys (SMA), we investigate the combined influence of ...
Antretter, Thomas, Cailletaud, Georges, Fischlschweiger, Michael, Yastrebov, Vladislav A.   +3 more
core   +3 more sources