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  1. No Access

    Chapter and Conference Paper

    Stress Corrosion Cracking of Alloy 600 in PWR Primary Water : Influence of Chromium, Hydrogen and oxygen Diffusion

    Alloy 600, a nickel base alloy containing 15 % chromium, is used in the primary circuit of Pressurized Water Reactor (PWR). This alloy is well-known to be susceptible to Stress Corrosion Cracking (SCC) in PWR ...

    C. Guerre, P. Laghoutaris, J. Chêne… in Proceedings of the 15th International Conf… (2016)

  2. No Access

    Article

    Multi-technique coupling for analysis of deuterium retention in carbon fiber composite NB31

    This paper presents an extensive set of measurements from complementary surface analysis techniques performed for characterizing deuterium retention in carbon fiber composite Sepcarb®NB31 subsequently to a deuter...

    E. Bernard, H. Khodja, B. Pégourié, C. Martin, C. Pardanaud… in Journal of Materials Science (2015)

  3. No Access

    Article

    Role of temperature and strain rate on the hydrogen-induced intergranular rupture in alloy 600

    Tensile tests were conducted at various temperatures (77 to 550 K) and strain rates (10−5 to 10−1 s−1) in order to study the effects of hydrogen on the ductility loss and the intergranular fracture of hydrogen-ch...

    J. Chêne, A. M. Brass in Metallurgical and Materials Transactions A (2004)

  4. No Access

    Article

    Helium 3 precipitation in AISI 316L stainless steel induced by radioactive decay of tritium: Growth mechanism of helium bubbles

    The growth of helium bubbles in 316L stainless steel in which helium was generated from the tritium decay is examined using image analysis of transmission electron microscopy (TEM) micrographs. The influence o...

    A. Chanfreau, A. M. Brass, C. Haut, J. Chene in Metallurgical and Materials Transactions A (1994)

  5. No Access

    Article

    Helium 3 precipitation in AISI 316L stainless steel induced by radioactive decay of tritium: Microstructural study of helium bubble precipitation

    This article deals with the study of the influence of thermomechanical heat treatments, aging conditions (temperature and time), and helium concentration on helium bubble precipitation in a 316L austenitic ste...

    A. M. Brass, A. Chanfreau, J. Chene in Metallurgical and Materials Transactions A (1994)

  6. No Access

    Article

    Tritium distribution at the crack tip of high-strength steels submitted to stress corrosion cracking

    The experimental results presented in this article are the first direct evidence of hydrogen diffusion in 4120 and 4130 high-strength steels undergoing a stress corrosion cracking (SCC) test with an enhancemen...

    A. M. Brass, J. Chêne, J. Gonzalez in Metallurgical and Materials Transactions A (1994)

  7. No Access

    Article

    Role of shot-peening on hydrogen embrittlement of a low-carbon steel and a 304 stainless steel

    Shot-peening surface treatments were performed on a low-carbon steel and a 304 stainless steel. The influence of residual stresses on hydrogen permeation and distribution was investigated. The results were cor...

    A. M. Brass, J. Chêne, G. Anteri, J. Ovejero-Garcia… in Journal of Materials Science (1991)

  8. No Access

    Article

    Role of heat treatment and cathodic charging conditions on the hydrogen embrittlement of HP 7075 aluminum alloy

    The response of an equiaxed-grained, high-purity 7075 aluminum alloy to hydrogen as a function of heat treatment and temperature of cathodic charging has been studied. Room-temperature (RT) tensile tests follo...

    J. Chene, I. M. Bernstein, A. W. Thompson in Metallurgical Transactions A (1990)

  9. No Access

    Article

    Influence of nitrogen ion implantation on hydrogen permeation in an extra mild steel

    This paper presents the first results on the effect of nitrogen implantation on hydrogen permeation in steels. Nitrogen can modify superficially the steel's chemistry and/or microstructure depending on the flu...

    A. M. Brass, J. Chene, J. C. Pivin in Journal of Materials Science (1989)

  10. No Access

    Article

    Hydrogen effects in [001] oriented nickel-base superalloy single crystals

    The entry and subsequent interaction of hydrogen on the mechanical properties of the single crystal nickel-base super alloy CMSX-2 has been studied. Significant amounts of hydrogen were introduced by high temp...

    C. L. Baker, J. Chene, I. M. Bernstein, J. C. Williams in Metallurgical Transactions A (1988)

  11. No Access

    Chapter

    Hydrogen Effects in Nickel Based Superalloy Single Crystals

    Hydrogen effects, particularly a degradation of mechanical properties well known in ferrous alloys, are usually considered a consequence of associated large partial molar volume changes, a high lattice diffusi...

    J. Chene, I. M. Bernstein in Chemistry and Physics of Fracture (1987)

  12. No Access

    Article

    Autoradiographic evidence of carbon clustering in Fe-Ni-C martensite

    The distribution of carbon in the microstructure of the twinned martensite of Fe-23 Ni-0.4 C, has been studied by microautoradiography of radioactive carbon 14. A statistical analysis of the autoradiographs, o...

    J. Ovejero-Garcia, J. Chene, G. V. Prabhu Gaunkar… in Journal of Materials Science (1979)