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  1. No Access

    Article

    Effect of Long-Term Exposure on Microstructure and Hardness of Aged Haynes 282 Alloy

    Nickel-based superalloy, Haynes 282, is a promising material for aero and land-based gas turbine applications and advanced ultra-supercritical (AUSC) steam power plants due to its outstanding combination of hi...

    G. Damodhar Naidu, G. V. S. Nageswara Rao… in Metallography, Microstructure, and Analysis (2023)

  2. No Access

    Chapter

    Carbon Spheres and Carbon Soot for Tribological Applications

    The undesired implications systems are well known, and the urge to reduce them has led to many materials being explored . In the quest for super-lubricating materials over the past few (1D) are be...

    Nowduru Ravikiran, Pawan K. Jain, Vadali V. S. S. Srikanth in Advanced Nanomaterials (2022)

  3. Chapter and Conference Paper

    Design of Dynamic Scale Model of Long Endurance Unmanned Aerial Vehicle

    Dynamic scale model of aircraft is a model established in accordance with the laws of dynamic similitude and used in the research of flutter and other aeroelastic facts [1]. A result obtained under laboratory con...

    V. S. Fedotov, A. V. Gomzin, I. I. Salavatov in Proceedings of the Scientific-Practical Co… (2018)

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  4. No Access

    Article

    Stress Corrosion Cracking of a Maraging Steel Shear Bolt Used in the Interstage Structure of a Satellite Launch Vehicle

    M250 grade maraging steel is used widely in satellite launch vehicle structures due to its excellent combination of strength and toughness. One of the maraging steel bolts used in interstage structures was fou...

    Sushant K. Manwatkar… in Metallography, Microstructure, and Analysis (2016)

  5. No Access

    Article

    Sulfidation Characteristics of an Advanced Superalloy and Comparison with Other Superalloys Intended for Gas Turbine Use

    Sulfidation may occur even in an overall oxidizing environment beneath a corrosion product which assumes the role of a diffusion barrier allowing sulfur species transport at a faster rate when compared with th...

    I. Gurrappa, I. V. S. Yashwanth… in Metallurgical and Materials Transactions A (2013)

  6. No Access

    Article

    Work-Hardening Behavior of the Ni-Fe Based Superalloy IN718

    Flow behavior of many metals and alloys in the region of uniform plastic strain is normally expressed by the simple power law relationship (σ = Kε p ...

    K.V.U. Praveen, G.V.S. Sastry, Vakil Singh in Metallurgical and Materials Transactions A (2008)

  7. No Access

    Chapter and Conference Paper

    PHYSICAL PROCESSES ON THE SURFACE OF FIELD EMISSION CATHODES BASED ON CARBON NANOSTRUCTURAL MATERIALS

    The degradation mechanism of field emission cathodes based on carbon nanostructural materials was investigated in the presented work. Emission current instability came from the adsorption desorption processes ...

    V.S. BORMASHOV, Ev.P. SHESHIN in Hydrogen Materials Science and Chemistry o… (2007)

  8. No Access

    Chapter and Conference Paper

    DESCRIPTION OF PHASE EQUILIBRIUMS IN INTERMETALLIC COMPOUNDS WITHIN THE PERTURBATION THEORY

    A phase equilibriums in intermetallic compounds hydrides in the area of disordered α-,β -phase in the framework of the model of non-ideal lattice gas are description. LaNi5 hydride was chosen as the subject for t...

    V.S. MARININ, Yu. F. SHMAL’KO… in Hydrogen Materials Science and Chemistry o… (2007)

  9. No Access

    Chapter and Conference Paper

    TECHNICAL AND TECHNOLOGICAL METHODS OF REALIZATION OF STEAM CATALYTIC CONVERSION OF NATURAL GAS WITH A METHANE-WATER PROPORTION CLOSE TO STOICHIOMETRIC RATIO

    The experimental results and also results of industrial tests on realization of the catalytic conversion of the natural gas in a warmed pipe with the purpose of reception of a gas mix of CO and H2 without H2 and ...

    V.S. IGUMNOV in Hydrogen Materials Science and Chemistry of Carbon Nanomaterials (2007)

  10. No Access

    Chapter and Conference Paper

    INTERBAND ELECTRON TRANSITIONS IN THE ALLOYED C60 FILMS WITH THE IONIC DEFECT FORMATION

    The spectral dependence of photoluminescence and optical conductivity for the solid C60 and Cd-C60 films (with the admixture of C70 fullerenes) are studied under irradiation by argon ions with different doses.

    O.P. DMYTRENKO, N.P. KULISH… in Hydrogen Materials Science and Chemistry o… (2007)

  11. No Access

    Article

    Low-Loss Photopatternable Hybrid Sol–Gel Materials

    Hybrid sol–gel technology has proved its usefulness in the field of micro-optics. Indeed, it makes it possible to manufacture optical microcomponents by processes much simpler than those currently used, partic...

    O. Soppera, P. J. Moreira, A. P. Leite… in Journal of Sol-Gel Science and Technology (2005)