نتایج جستجو برای: steel metallography
تعداد نتایج: 81509 فیلتر نتایج به سال:
Aluminum base composites are manufactured in a variety of methods, such as mixing in liquid state, mechanical alloying and so on. Explosive welding is one of the modern ways of producing Aluminum base composite. Explosive welding is used for excellent bonding of similar and dissimilar materials with a wide variety of thicknesses, area dimensions and different thermal and mechanical properties. ...
Reticulated mesh samples of Co-29Cr-6Mo alloy and Ni-21Cr-9Mo-4Nb alloy (625) and stochastic foam samples of Co-29Cr-6Mo alloy fabricated by electron beam melting were characterized by optical metallography, and the dynamic stiffness (Young's modulus) was measured by resonant frequency analysis. The relative stiffness (E/Es) versus relative density (ρ/ρs) plotted on a log-log basis resulted in ...
In this study, fresh attempts have been made to identify and estimate the phase constituents of a high-silicon, medium carbon multiphase steel (DIN 1.5025 grade) subjected austenitization at 900 °C for 5 min, followed by quenching low-temperature bainitizing (Q&B) 350 200 s. Several techniques were employed using different chemical etching reagents either individually (single-step) or in co...
In this work, different heat treatments were performed in order to study two bainite morphologies, granular and lath-like, obtained at cooling rates a low carbon microalloyed steel. For that purpose, advanced crystallographic characterization quantitative metallography using SEM, EBSD TEM carried out. The evolution of the volume percentage, size, aspect ratio, retained austenite percentage crys...
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