Results 201 to 210 of about 104,541 (265)
Change in Hydrogen Trapping Characteristics and Influence on Hydrogen Embrittlement Sensitivity in a Medium-Carbon, High-Strength Steel: The Effects of Heat Treatments. [PDF]
Materials (Basel)Tong Z, Wang H, Zheng W, Zhou H.
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Soft Skins With Reversible Thickness Morphing: Materials, Mechanisms, and Applications
Advanced Materials, EarlyView.Evolution of electronic skin (e‐skin) technologies toward adaptive, multifunctional soft skins. Phase I highlights early rigid and discrete sensory interfaces. Phase II shows the transition toward flexible, stretchable, and large‐area e‐skin. Phase III captures the emergence of computational e‐skin.
Oliver Ozioko +2 more
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Advanced Materials, EarlyView.A soap‐film inspired strategy enables the fabrication of ultrathin yet robust GelMA‐PAAm membranes for breathing lung culture. The hydrogel membrane supports long‐term cyclic deformation under air‐liquid interface conditions, enabling physiologically relevant breathing motions of engineered lung tissue culture. ABSTRACT Breathing continuously stretches
Yunji Lee +9 more
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Progress in Structural Engineering and Materials, 1997
AbstractIn recent decades, the ductility and weldability of structural steels has improved considerably. Also, the developments in modern welding technology have led to a decrease in the fabrication costs of steel structures, especially when higher strength steels are used. This has created new opportunities for more economical applications of steel in
A M Gresnigt, C M Steenhuis
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AbstractIn recent decades, the ductility and weldability of structural steels has improved considerably. Also, the developments in modern welding technology have led to a decrease in the fabrication costs of steel structures, especially when higher strength steels are used. This has created new opportunities for more economical applications of steel in
A M Gresnigt, C M Steenhuis
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Estimation of damage in high strength steels
Applied Soft Computing, 2013Damage is controlled by the chemistry of the material, initial inclusions or second phase particles' fractions with their size/shape distribution, stress triaxility, strain, stress, strain rate, strain path, grain size, initial crystallographic micro-texture and the temperature of deformation.
Arpan Das 0002 +4 more
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Hydrogen Embrittlement of High Strength Steels
Defect and Diffusion Forum, 2009Hydrogen embrittlement is believed to be one of the main reasons for cracking of structures under stress. High strength steels in these structures often include a ferritic core made of alpha-iron (body centered cubic lattice). We compute the interaction of atomic hydrogen with iron using first principles. The interstitial hydrogen can be placed in two
Sánchez-Montero, Javier +3 more
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Metal Science and Heat Treatment, 1969
1. In steels with 0.25–0.35% C and 10–14% Ni the mechanical properties after quenching (cooling in air) are approximately the same as for carbon-free maraging steels: σb=190−200 kg/mm2; δ=10–12%; ψ=45–50%;an=6–7 kg-m/cm2;ap=1.7–2.2 kg-m/cm2. Small cold plastic deformation (2–5%) substantially increases the strength characteristics: ΔσT=50−60 kg/mm2,
R. D. Zaitseva, M. D. Perkas
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1. In steels with 0.25–0.35% C and 10–14% Ni the mechanical properties after quenching (cooling in air) are approximately the same as for carbon-free maraging steels: σb=190−200 kg/mm2; δ=10–12%; ψ=45–50%;an=6–7 kg-m/cm2;ap=1.7–2.2 kg-m/cm2. Small cold plastic deformation (2–5%) substantially increases the strength characteristics: ΔσT=50−60 kg/mm2,
R. D. Zaitseva, M. D. Perkas
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High-strength nonmagnetic steel
Metal Science and Heat Treatment, 19631. 25Cr17Ni4G15AF2 steel has a high yield point (σ0.2>80 kg/mm2) and satisfactory plasticity (αk = 4 kgm/cm2) after quenching from 1180°C and aging 10 h at 700°C. 2. Vanadium strengthens this steel because it favors the precipitation of carbonitrides and the formation of the σ-phase, and also because of the small-grain structure produced.
M. V. Pridantsev, F. L. Engineer Levin
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High strength austenitic steels
Metal Science and Heat Treatment of Metals, 1959‘Transitional’ steels have an unusual combination of mechanical properties. They may have a low yield stress (20–40 kg/sq. mm=28, 400–56, 900 psi) and a high tensile strength (100–200 kg/sq mm=142, 000–284, 000 psi). The mechanical properties of these steels depend mainly on the extent to which austenite decomposes into martensite in deformation, and ...
A. P. Gulyaev +2 more
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Metal Science and Heat Treatment, 1998
Steels have found wide application in modern aircraft and are the profile materials in some structures. They are used when a high specific strength, rigidity, fatigue limit, and high-temperature strength are required, for example, in the production of wing bars, longerons, ribs, landing gear parts, and gear transmission mechanisms.
L. N. Belyakov +3 more
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Steels have found wide application in modern aircraft and are the profile materials in some structures. They are used when a high specific strength, rigidity, fatigue limit, and high-temperature strength are required, for example, in the production of wing bars, longerons, ribs, landing gear parts, and gear transmission mechanisms.
L. N. Belyakov +3 more
openaire +1 more source