Development of Bake-hardenable Al-killed Steel Sheet by Box-annealing Process
نویسندگان
چکیده
منابع مشابه
Thermally activated growth of lath martensite in Fe- Cr-Ni-Al precipitation hardenable stainless steel
The austenite-to-martensite transformation in a partially hardened stainless steel containing 17wt %Cr, 7wt %Ni and 1wt % Al was investigated with Vibrating Sample Magnetometry and Electron Back-Scatter Diffraction. Magnetometry demonstrated that measurable martensite formation can be suppressed on fast cooling to 77K as well as on subsequent fast heating to 373 K. Surprisingly, martensite form...
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In this paper the heating process in a box annealing unit is simulated and the effect of various parameters involved in the process is examined. For this purpose, the full Naiver-Stokes equations along with the standard k- turbulence model are solved in the fluid region using the finite volume approach. In the solid area the conduction heat transfer equation is employed using approporate surfac...
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Several alloys described as stainless steel which resist tarnish and corrosion in the mouth are being used for a variety of dental appliances and instruments. Probably the greatest application of stainless steel is for orthodontic arch wires and bands, while a more limited use is for temporary space maintainers and crown forms. Root-canal files and reamers designed for endodontic operations als...
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In the current study, the recrystallization behavior of 75% cold-rolled Fe-22Mn-10Al-1.4C steel during annealing at 750, 770, 790, 810, and 830°C was studied. X-ray diffraction patterns and optical microscopy were used to characterize microstructures. The Vickers Micro-hardness test was used to characterize recrystallization kinetics during annealing. Johnson-Mehl-Avrami-Kolmogorov (JMAK) model...
متن کاملDevelopment of Hot-Rolled Sheet Steel with Significant Increase in Tensile Strength Induced by Strain Age Hardening*
A new type of bake-hardenable high strength hotrolled sheet steel was developed, which shows remarkable increase in tensile strength as well as yield strength after strain age hardening without addition of special elements. The new sheet steel possesses excellent crashworthiness and high fatigue strength, and also shows good formability almost equal to that of conventional high strength sheet s...
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ژورنال
عنوان ژورنال: Transactions of the Iron and Steel Institute of Japan
سال: 1981
ISSN: 0021-1583,1881-1183
DOI: 10.2355/isijinternational1966.21.802