Microstructure and Properties of Press-Bonded Dissimilar Stainless Steel and Mild Carbon Steel Ingots
نویسندگان
چکیده
Dissimilar steel welds between stainless and mild steels are necessary for the efficient utilization of in construction. In present work, a dissimilar large-sized ingot was fabricated by press bonding Q235 to SUS 304 at 1100–500 °C. The microstructure bonded interfaces has been characterized scanning electron microscopy, probe microanalysis, transmission together with tensile tests evaluate strength. It demonstrated that strong-bonded, high-quality, could be bonding. (Fe, Cr)3C carbide is narrow zone diffusion-bonded steel. Interestingly, maximum hardness not too high make transition brittle but enough constrain soft ferrite during fatigue tests, causing final fracture occur region rather than interface.
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ژورنال
عنوان ژورنال: Metals
سال: 2022
ISSN: ['2075-4701']
DOI: https://doi.org/10.3390/met12122142