Influence of heat treatment on the stress-rupture strength of multialloyed vanadium alloys

1987 ◽  
Vol 22 (5) ◽  
pp. 481-484
Author(s):  
E. M. Lyutyi ◽  
V. I. Kalyandruk ◽  
M. A. Peresichanskaya
Keyword(s):  
Heat Treatment ◽  
Rupture Strength ◽  
Stress Rupture ◽  
Vanadium Alloys ◽  
Stress Rupture Strength

Influence of heat treatment on the structure and stress-rupture strength of 10Kh2M steel tubing

1988 ◽  
Vol 30 (8) ◽  
pp. 627-630
Author(s):  
P. A. Antikain ◽  
L. I. Lepekhina ◽  
V. E. Borisov ◽  
T. N. Shevchenko ◽  
Yu. D. Mikulina
Keyword(s):  
Heat Treatment ◽  
Rupture Strength ◽  
Stress Rupture ◽  
Stress Rupture Strength ◽  
Steel Tubing

Structure and Heat Resistance of Intermetallic Rhenium-Containing Alloy after Heat Treatment

2019 ◽  
pp. 17-31
Author(s):  
E.G. Arginbaeva ◽  
O.A. Bazyleva ◽  
F.N. Karachevtsev ◽  
R.М. Nazarkin
Keyword(s):  
Heat Treatment ◽  
Rupture Strength ◽  
Structural Phase ◽  
Stress Rupture ◽  
Intermediate Step ◽  
Time To Failure ◽  
Intermetallic Alloys ◽  
Stress Rupture Strength ◽  
Multi Stage ◽  
New Generation

The developed intermetallic Ni3Al compound-based alloys, known under the VKNA (ВКНА) and VIN (ВИН) brands, attract attention due to high operating temperatures --- up to 1200 °C, and relatively low density --- ~ 8 g / cm3. The first-generation intermetallic alloys such as VKNA-1V (ВКНА-1В) and VKNA-4U (ВКНА-4У) are known not to require multi-stage heat treatment. An increase in the strength characteristics caused by high requirements for the hot gas path materials also occurs due to an increase of high-melt alloying elements. Therefore, investigations in the field of temperature effects on the structure and properties of new generation intermetallic alloys become very relevant. In our research we studied the influence of heat treatment on the structural phase state of the VIN4 (ВИН4) intermetallic alloy containing rhenium. Findings show that annealing at close to solvus temperatures allows increasing the time to failure during 1100 °C stress-rupture strength tests. At the same time, during the heat treatment of the alloy with a high cooling rate, elements are redistributed with uneven allocation of phases of different morphology enriched in molybdenum and chromium, which negatively affects the results of stress- rupture strength. The research is an intermediate step in establishing patterns of influence of heat treatment parameters on intermetallic alloys depending on the degree of alloying.

THERMO-SPAN ALLOY

Alloy Digest ◽  
1994 ◽  
Vol 43 (2) ◽  
Keyword(s):  
Physical Properties ◽  
Tensile Properties ◽  
Fatigue Resistance ◽  
Thermal Fatigue ◽  
Rupture Strength ◽  
Stress Rupture ◽  
Heat Treating ◽  
Thermal Fatigue Resistance ◽  
Stress Rupture Strength

Abstract THERMO-SPAN ALLOY is a precipitation-hardenable superalloy with a low coefficient of expansion combined with tensile and stress-rupture strength. Thermal fatigue resistance is inherent. This datasheet provides information on composition, physical properties, elasticity, and tensile properties as well as creep. It also includes information on forming and heat treating. Filing Code: FE-105. Producer or source: Carpenter.

scholarly journals Tensile and Stress-Rupture Behavior of Hafnium Carbide Dispersed Molybdenum and Tungsten Base Alloy Wires

1993 ◽  
Vol 322 ◽  
Author(s):  
H.M. Yun ◽  
R.H. Titran
Keyword(s):  
Strain Rate ◽  
Strain Rate Sensitivity ◽  
Rupture Strength ◽  
Base Alloy ◽  
Stress Rupture ◽  
Rate Sensitivity ◽  
Tungsten Alloy ◽  
Rate Dependency ◽  
Hafnium Carbide ◽  
Stress Rupture Strength

AbstractThe tensile strain rate sensitivity and the stress-rupture strength of Mo-base and W-base alloy wires, 380 µm in diameter, were determined over the temperature range from 1200 to 1600 K. Three molybdenum alloy wires; Mo + 1.1 wt% hafnium carbide (MoHfC), Mo + 25 wt% W + 1.1 wt% hafnium carbide (MoHfC+25W) and Mo + 45 wt% W + 1.1 wt% hafnium carbide (MoHfC+45W), and a W + 0.4 wt% hafnium carbide (WHfC) tungsten alloy wire were evaluated.The tensile strength of all wires studied was found to have a positive strain rate sensitivity. The strain rate dependency increased with increasing temperature and is associated with grain broadening of the initial fibrous structures. The hafnium carbide dispersed W-base and Mo-base alloys have superior tensile and stress-rupture properties than those without HfC. On a density compensated basis the MoHfC wires exhibit superior tensile and stress-rupture strengths to the WHfC wires up to approximately 1400 K. Addition of tungsten in the Mo-alloy wires was found to increase the long-term stress-rupture strength at temperatures above 1400 K.

Study of the stress-rupture strength of steel 08Kh18N10T in flowing helium with a normalized content of chemically active impurities

1987 ◽  
Vol 19 (8) ◽  
pp. 1085-1089
Author(s):  
P. A. Antikain ◽  
V. E. Borisov ◽  
I. V. Vasil'ev ◽  
V. F. Mishchenkov ◽  
D. S. Korulev
Keyword(s):  
Rupture Strength ◽  
Stress Rupture ◽  
Steel 08Kh18n10t ◽  
Stress Rupture Strength

Stress-Rupture Strength of Polycrystalline Oxide Ceramic up to 1600°C

2015 ◽  
Vol 56 (4) ◽  
pp. 375-382 ◽  
Author(s):  
V. S. Bakunov ◽  
E. S. Lukin ◽  
É. P. Sysoev
Keyword(s):  
Rupture Strength ◽  
Stress Rupture ◽  
Oxide Ceramic ◽  
Stress Rupture Strength
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