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Creep behavior was investigated carefully for typical face-centered cubic (fcc) metals, i.e., high purity Al, Cu, and Pb, below 0.3T m , where T m is the melting temperature. All samples showed marked creep behavior at such low temperatures, with an apparent activation energy of 15–30kJmol −1 , a stress exponent of 2–5 and a grain size exponent of 0. These results show a new...
Closed-cell Al–Mg alloy (A5052) foams are produced through accumulative roll-bonding (ARB) process. The preform plate containing uniform titanium hydride (TiH 2 ) particles is manufactured after six ARB cycles. Macroscopic porosity is as large as 47% in the condition of infrared heating at 913 K. Compressive tests are carried out in the condition of different loading axes. Yield stress in...
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