Furukawa, Minoru, Horita, Zenji, Langdon, Terence G.
The use of single crystals in equal-channel angular pressing provides an opportunity for critically examining the deformation characteristics without including any artifacts due to the presence of...
Mechanical properties of a spray-cast aluminum alloy processed by severe plastic deformation (2007)
Xu, Cheng, Kawasaki, Megumi, Furukawa, Minoru, Horita, Zenji, Langdon, Terence G.
Gao, Nong, Starink, Marco J., Furukawa, Minoru, Horita, Zenji, Xu, Cheng, Langdon, Terence G.
The precipitation and evolution of microstructure in a spray-cast Al-7034 alloy and a commercial wrought Al-2024 alloy were studied after equal-channel angular pressing (ECAP) using transmission...
Influence of crystal orientation on ECAP of aluminum single crystals (2006)
Fukuda, Yukihide, Oh-ishi, Keiichiro, Furukawa, Minoru, Horita, Zenji, Langdon, Terence G.
A single crystal of high purity aluminum, oriented with the {1 1 1} slip plane and the 1 1 0 slip direction rotated by 20° in a clockwise sense from the theoretical shear plane and the shear...
Gao, Nong, Starink, Marco J., Furukawa, Minoru, Horita, Zenji, Xu, Cheng, Langdon, Terence G.
A spray-cast Al-7034 alloy was processed by equal-channel angular pressing (ECAP) to a total of 8 passes at 473 K and the pressed samples were examined using transmission electron microscopy,...
Gao, Nong, Starink, Marco J., Furukawa, Minoru, Horita, Zenji, Xu, Cheng, Langdon, Terence G.
A spray-cast Al-7034 alloy was processed by equal-channel angular pressing (ECAP) to a total of eight passes at 473 K and the pressed samples were examined using transmission electron microscopy,...
Processing by equal-channel angular pressing: applications to grain boundary engineering (2005)
Furukawa, Minoru, Horita, Zenji, Langdon, Terence G.
Equal-channel angular pressing (ECAP) is a processing technique in which a sample is pressed through a die constrained within a channel so that an intense strain is imposed without incurring any...
Furukawa, Minoru, Kawasaki, Yoshiyasu, Miyahara, Yuichi, Horita, Zenji, Langdon, Terence G.
This investigation examines the deformation process when an aluminum single crystal is subjected to equal-channel angular pressing (ECAP) using a die having a channel angle of 90°. The crystal...
Kawasaki, Megumi, Huang, Yi, Xu, Cheng, Furukawa, Minoru, Horita, Zenji, Langdon, Terence G.
A metal matrix composite, consisting of an Al-6061 matrix alloy reinforced with 10 vol.% of fine Al2O3 particulates, was processed by equal-channel angular pressing for 1 pass at room temperature and...
Influence of ECAP on precipitate distributions in a spray-cast aluminum alloy (2005)
Xu, Cheng, Furukawa, Minoru, Horita, Zenji, Langdon, Terence G.
Experiments were conducted to evaluate the influence of equal-channel angular pressing (ECAP) on the mechanical properties of a spray-cast aluminum 7034 alloy. In the unpressed condition, the grain...
Developing a superplastic forming capability in nanometals. (2005)
Xu, Cheng, Furukawa, Minoru, Horita, Zenji, Langdon, Terence G.
Developing high strain rate superplasticity in aluminum alloys (2005)
Xu, Cheng, Furukawa, Minoru, Horita, Zenji, Langdon, Terence G.
Xu, Cheng, Furukawa, Minoru, Horita, Zenji, Langdon, Terence G.
Samples of pure aluminum and an Al-6061 alloy were subjected to equal-channel angular pressing (ECAP) for up to eight passes at room temperature. The Vickers microhardness was recorded on the...
Starink, Marco J., Gao, Nong, Furukawa, Minoru, Horita, Zenji, Xu, Cheng, Langdon, Terrence G.
A spray-cast Al-7034 alloy was processed by equal-channel angular pressing (ECAP) to produce an ultrafine submicrometer grain size. The microstructures of the as-received and as-pressed alloy were...
Equal-channel angular pressing using plate samples (2003)
Kamachi, Masakazu, Furukawa, Minoru, Horita, Zenji, Langdon, Terence G.
Equal-channel angular pressing (ECAP) was applied to plate samples of high-purity aluminum using processing route BCZ in which the plate is rotated by 90° in the same sense about the Z-axis between...
Xu, Cheng, Furukawa, Minoru, Horita, Zenji, Langdon, Terence G.
An aluminum 7034 alloy, produced by spray casting and with an initial grain size of ~2.1 μm, was processed by equal-channel angular pressing (ECAP) at 473 K to produce an ultrafine grain size of...
The use of severe plastic deformation for microstructural control (2002)
Furukawa, Minoru, Horita, Zenji, Nemoto, Minoru, Langdon, Terence G.
The microstructure of a metal may be very significantly changed by subjecting the material to severe plastic deformation (SPD) through procedures such as equal-channel angular pressing (ECAP) and...
Factors influencing the shearing patterns in equal-channel angular pressing (2002)
Furukawa, Minoru, Horita, Zenji, Langdon, Terence G.
The shearing patterns are calculated for equal-channel angular pressing (ECAP) under three different conditions: (i) rotation of a sample around the X-axis when using a die angle of 90°, (ii)...
Low-temperature superplasticity in Al alloys processed by equal-channel angular pressing (2002)
Ota, Satoshi, Akamatsu, Hiroki, Neishi, Koji, Furukawa, Minoru, Horita, Zenji, Langdon, Terence G.
Equal-channel angular pressing (ECAP) was applied to achieve grain refinement of Al–3 mass%Mg alloys containing 0.2 mass%Sc, 0.2 mass%Fe or 0.1 mass%Zr. The thermal stability of the...
Using severe plastic deformation for grain refinement and superplasticity (2001)
Langdon, Terence G, Furukawa, Minoru, Nemoto, Minoru, Horita, Zenji
The grain size of many metals may be reduced to the submicrometer or nanometer level using various procedures incorporating the application of severe plastic deformation. This paper examines the...
Using equal-channel angular pressing for refining grain size (2000)
Langdon, Terence G., Furukawa, Minoru, Nemoto, Minoru, Horita, Zenji
Equal-channel angular pressing is an effective tool for attaining ultrafine grain sizes in bulk materials. An important advantage of this technique over conventional metal-working processes, such as...
Furukawa, Minoru, Akamatsu, Hiroki, Horita, Zenji, Langdon, Terence G.
Tests were undertaken to evaluate the significance of performing equal-channel angular pressing using a die having an angle of 60 between the two channels. The tests were conducted using samples of...
Wang, Jingtao, Furukawa, Minoru, Horita, Zenji, Nemoto, Minoru, Ma, Yan
The microstructure and mechanical properties of aluminum alloy 6061 have been evaluated at temperatures ranging from room temperature to about 725 K. The age hardening behavior, the temperature...
The Age-Hardening Characteristics of an Al-6061/Al2O3 Metal Matrix Composite. (1998)
Wang, Jingtao, Furukawa, Minoru, Horita, Zenji, Nemoto, Minoru, Ma, Yan
Experiments were conducted to determine the age hardening behavior of an al-6061 metal matrix composite reinforced with 20 vol pct of al2o3 microspheres and prepared using liquid metallurgy...
An Investigation of Strain Hardening and Creep in an Al-6061/Al2O3 Metal Matrix Composite. (1998)
Furukawa, Minoru, Wang, Jingtao, Horita, Zenji, Nemoto, Minoru, Ma, Yan
Experiments were conducted to compare the influence of temperature on the flow and strain-hardening characteristics of an al-6061 metal matrix composite, reinforced with 20 vol pct of al2o3-based...