Effect of V on Properties of High C-5Cr-W-Mo, High C-8Cr-W-Mo and High C-12Cr-Mo Steel for Punching Dies
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چکیده
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Mechanism of Bainite Transformation in Fe-Cr-Mo-V-Ti-C Steel
The kinetics and mechanism of bainite transformation have been studied in Fe-Cr-Mo-V-Ti-C steel high speed dilatometry backed by thermodynamic analysis. The complete transformation of austenite, however, has not occurred at any reported temperature. Obtained results confirm the incomplete reaction phenomenon with the cessation of the bainite transformation well before the paraequilibrium is ach...
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The stability of the eutectic carbide in a self-designed Fe-Cr-Mo-W-V-C alloy during solidifi atio as a alyzed i this ork. The ar ide pre ipitatio rule of the steel was calculated by Thermo-Calc.The typical microstructures at 1240 °C and 1200 °C ere o ser ed y opti al i ros ope OM ,field e issio s a i g ele tro microscope (FESEM) and transmission electron microscope (TEM). The selected area dif...
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Professor W. Wallace Cleland, the architect of modern steady-state enzyme kinetics, died on March 6, 2013, from injuries sustained in a fall outside of his home. He will be most remembered for giving the enzyme community Ping-Pong kinetics and the invention of dithiothreitol (DTT). He pioneered the utilization of heavy atom isotope effects for the elucidation of the chemical mechanisms of enzym...
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Transition metal dichalcogenides have a layered structure and are therefore promising self-lubricating films. They can be considered as potential substitutes for carbon based films in various environmental conditions. In this work, a comparative atomic force microscopy study of co-sputtered Mo–Se–C and W–S–C films is performed to evaluate their nanotribological performances. Both films are allo...
متن کاملBromido-1κBr-tricarbonyl-2κ3 C-(2η5-cyclopentadienyl)molybdenum(I)tungsten(I)(W—Mo)
The title compound, [WMoBr(C(5)H(5))(CO)(3)], is built up from a pseudo-square-pyramidal piano-stool coordination around the Mo atom, the important geometry being Mo-W = 2.6872 (7) Å, W-Br = 2.5591 (9) Å and Mo-W-Br = 158.35 (3)°.
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ژورنال
عنوان ژورنال: Tetsu-to-Hagane
سال: 1960
ISSN: 0021-1575,1883-2954
DOI: 10.2355/tetsutohagane1955.46.14_1772