FLORA
发表于 2025-3-26 23:10:19
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Fracture
发表于 2025-3-27 03:19:36
Sintering Mechanisms of Metals Under Electric CurrentsPS technique. Because metallic systems exhibit high electric conductivity, focus is made on evaluating the sensitivity of the densification mechanisms on the current. Thus, a first part is devoted to the influence of electric currents on elementary metallurgical phenomena (diffusion, plasticity, etc
效果
发表于 2025-3-27 08:15:36
Surface-Modified-CNTs/Al Matrix Nanocomposites Produced via Spark Plasma Sintering: Microstructures,nocomposites. The surface modification of carbon nanotubes was carried out through a three-stage process. At stage 1, mechanical crushing of Ti and MWCNTs was performed via ultrasonication and wet milling. Then, in stage 2, additional pristine MWCNTs were added into the crushed mixture of Ti/MWCNT v
Angioplasty
发表于 2025-3-27 11:23:27
Al-Based Nanocomposites Produced via Spark Plasma Sintering: Effect of Processing Route and Reinforcsolidation in very short times. The high heating and cooling rates allow to prevent excessive grain growth favoring densification. Spark plasma sintering has been recognized, in the recent past, as a very useful method to produce metal matrix composites with enhanced mechanical and wear properties.
exorbitant
发表于 2025-3-27 16:56:54
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越自我
发表于 2025-3-27 20:25:53
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勤勉
发表于 2025-3-27 23:16:50
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Confess
发表于 2025-3-28 02:51:25
Microstructural Evolution and Related Kinetics During Pulsed Electric Current Sintering of Tungstenintering (PECS) at heating rates that ranged from 20 to 100 K/min and applied stresses (20–80 MPa). PECS is found to create a much fine microstructure. However, achieving a density greater than 97% theoretically proved to be difficult to attain due to the limitations in the mechanical strength of th
Matrimony
发表于 2025-3-28 08:53:44
Spark Plasma Sintering of Metallic Glasses with increasing temperature, as they encounter a glass transition and devitrification. Their shaping can thus be compared to what can be performed on thermoplastic polymers. SPS is a promising way to prepare bulk parts from amorphous powders, since it allows very fast heating and cooling rates. It
要控制
发表于 2025-3-28 14:06:28
Impact of High-Energy Mechanical Activation on Sintering Kinetics and Mechanical Properties of UFG Harticle sizes were controlled by mechanical activation (MA) of original coarse-grained components and by addition of ultrafine particles. W-Ni-Fe alloys were obtained by sintering in hydrogen and spark plasma sintering (SPS) in a vacuum. The dependence of UFG alloy density on sintering temperatures