Zobrazeno 1 - 10
of 327
pro vyhledávání: '"550"'
Publikováno v:
steel research international. 87:46-56
The degradation behavior of alumina (10–20 wt%) carbon refractories was investigated during high temperature (1 550 °C) contact with a ternary casting mould meniscus slag containing 50% MnO, 25% SiO2, and 25% Al2O3 and a binary slag containing 40%
Publikováno v:
Metallurgical and Materials Transactions A. 44:584-595
U-Mo dispersions in Al-alloy matrix and monolithic fuels encased in Al-alloy are under development to fulfill the requirements for research and test reactors to use low-enriched molybdenum stabilized uranium alloy fuels. Significant interaction takes
Publikováno v:
steel research international. 89:1700278
This study investigates the effects of Mo content on the low-angle misorientation microstructure and the mechanical properties of high strength steels of YS 550 MPa grade. Steels of various Mo contents (0.08, 0.15, and 0.25 wt%) are fabricated by con
Publikováno v:
Metallurgical and Materials Transactions A. 37:1201-1209
The influence of gaseous atmosphere on the fatigue crack propagation behavior of a Ti6242 alloy is studied at 550 °C. The aim of this paper is to obtain reference data in controlled environments at the atmospheric pressure in view of a further evalu
Publikováno v:
Metallurgical and Materials Transactions A. 33:1201-1211
Recently, a thermal oxidation (TO) technique has been successfully developed and applied to the titanium alloy Ti-6Al-4V. This TO technique produces a thin, hard, rutile-based, wear-resistant coating on the surface of the titanium alloy, thus signifi
Autor:
K. K. Kharia, H. J. Rack
Publikováno v:
Metallurgical and Materials Transactions A. 32:671-679
The influence of solution-treatment temperature on the martensitic phase transformations observed in IMI 550 (Ti−4Al−4Mo−2Sn−0.5Si) has been investigated. When solution treatment is conducted at temperatures above 1233 K, a hexagonal martensi
Autor:
R.D.K. Misra
Publikováno v:
Scripta Materialia. 35:1347-1352
In this paper the author presents preliminary investigations of another example of dynamic embrittlement, together with the study aimed at examining the possible effect of grain boundary pre-segregation of phosphorus on the dynamic embrittlement of i
Autor:
G. D. Pigrova, S. I. Korkka
Publikováno v:
Metal Science and Heat Treatment. 33:31-35
1. In tempering of 34KhN1M steel, types M7C3 and M23C6 carbide are formed. 2. A reduction in carbon content in the steel causes an increase in the rate of the carbide reactions M3C→M7C3 and M3C→M23C6. 3. There is a correlation between the hardnes
Publikováno v:
Metallurgical Transactions A. 18:2027-2035
The phase separation at 550 °C in a Ni-12.7 at. pct Al alloy was investigated by means of small angle X-ray scattering, large angle X-ray scattering, electrical resistivity, and transmission electron microscopy. It was found that an abrupt change in
Autor:
P. M. Avrunin, B. M. Fedosov, P. I. Polukhin, Yu. P. Kovtanyuk, N. V. Stetsenko, Yu. I. Ivankin, A. N. Osadchii, V. S. Berkovskii, V. T. Zhadan
Publikováno v:
Metallurgist. 17:579-582