2021年10月5日 · It was the aim of this study to investigate the strengthening potential of a lean Mg–Zn–Ca alloy by a special ECAP technique, called Double Equal Channel Angular Pressing (D-ECAP), where the die has not only one but two angles within the channel resulting in two consecutive deformation zones.

2018年12月27日 · The efficiency for a double ECAP process maximizes the grain refinement of a cubic material, which was reported in ref. . Recently, AZ31 type alloys [ 33 , 34 ] were submitted to ECAP deformation and a critical analysis of the resulting mechanical properties was made versus the number of passes.

2022年1月6日 · The results showed that the multipass ECAP could develop reasonably homogeneous and well-refined microstructures in both LZ61 and LZ121 alloys through continuous dynamic recovery and recrystallization. The microstructure evolution of LZ61 alloy in the as-cast, extruded, and ECAPed conditions is shown in Fig. 5.

2020年4月1日 · A previously unattained grain refinement of Mg-4%Ag was achieved by ECAP using a newly developed double-ECAP die. ECAP is an effective method for improving the mechanical properties while the desirable low degradation rate is upheld.

2018年11月8日 · The alloy was investigated under three conditions: as-cast, after T4 treatment, and after T4 treatment with subsequent equal-channel angular pressing (ECAP) using a newly developed double-ECAP die, which offers an equivalent strain per pass of 1.6.

2025年2月3日 · The ECAP-single pass composite demonstrated improved mechanical attributes, with stress values of 16 MPa at 0% strain and 250 MPa at 12% strain. Similarly, the ECAP-double pass composite displayed comparable behavior, yielding stress values of 17 MPa at 0% strain and an impressive 295 MPa at 12% strain.

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The alloy was investigated under three conditions: as-cast, after T4 treatment, and after T4 treatment with subsequent equal-channel angular pressing (ECAP) using a newly developed double-ECAP die, which offers an equivalent strain per pass of 1.6.

The commercial magnesium alloy EZ33A was processed by Equal Channel Angular Pressing (ECAP). Two different tools were used: a conventional one with two channels and one intersection (90°), and a so-called double ECAP (D-ECAP) tool with two intersections (90° and 120°).

2025年3月4日 · The answer was "yes" as long as both crops were reported to FSA. Seeing that answer in print somewhere from within USDA would make me feel more comfortable though.