نتایج جستجو برای: retained austenite
تعداد نتایج: 43649 فیلتر نتایج به سال:
In this study, we used 0.2C-1.7Si-1.9Mn wt% cold-rolled sheet as the experimental material to prepare Q&P sample with blocky microstructures and QQ&P lath-shaped through processes, respectively. The partitioning behavior of carbon manganese in two samples after intercritical annealing were studied. During annealing, occurred, resulting contents being significantly higher than those ferr...
In the present work, the nanostructured bainitic microstructures were obtained at the surfaces of a carburized steel and a high-C steel. The rolling contact fatigue (RCF) performances of the two alloy steels with the same volume fraction of undissolved carbide were studied under lubrication. Results show that the RCF life of the carburized nanostructured bainitic steel is superior to that of th...
High-carbon steels which are transformed into extremely fine bainite plates embedded in a matrix of carbon-enriched austenite have recently been developed, and have found commercial application in the manufacture of engineering components. However, because of the large carbon concentration, they cannot be welded and this limits the scope for their exploitation. A method is reported here by whic...
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