000 nam a22 a 4500
999 _c26740
_d26740
001 1024863476
003 AR-SmCIES
005 20180827124331.0
008 180824s2012 gw ado||rm||| 00||||eng d
020 _a9783943063097
024 3 _a9783943063097
040 _a1145
_bger
_cDE-101
_dAR-SmCIES
041 _aeng
072 7 _2inisscc
_aS36
100 1 _aMartín, Mauro Sebastián
_d1978-
_91094
245 0 0 _aDevelopment of lean alloyed austenitic stainless steels with a high resistance to hydrogen environment embrittlement
264 1 _aBochum
_bRUB, LWT
_c2012
300 _aX, 247 p.
_bIl.
_c21 cm
502 _aTesis: Universidad de Bochum. Disertación, Marzo 2012.
505 _a1. Introduction -- 1.1. Environmental and economic scope -- 1.2. Hydrogen economy -- 1.3. State of the Art -- 1.4. Austenitic stainless steel as a suitable material -- 1.5. Goal of the present work. -- 2. Fundamentals -- 2.1. The hydrogen atom -- 2.2. The hydrogen atom in the iron lattice -- 2.3. Hydrogen embrittlement of austenitic stainless steels -- 2.4. Mechanisms of hydrogen-assisted fracture -- 2.5. Hydrogen entry and solubility -- 2.6. Effect of the microstructure on HEE -- 2.7. Mechanical effects on α’ –martensite transformation. -- 3. Thermodynamic calculations -- 3.2. Kinetic calculations -- 3.3. Materials supply -- 3.4. Chemical composition -- 3.5. Microstructural characterization -- 3.6. Mechanical testing -- 3.7. Ferrite equivalent measurements -- 3.8. Digital microscopy -- 3.9. Calculation of hydrogen diffusion distances -- 3.10. Secondary ion mass spectrometry. -- 4. Results -- 4.1. Materials of reference -- 4.2. Production of tensile specimens -- 4.3. Microstructure -- 4.4. Influence of alloying elements -- 4.5. Basis for alloy development: generation 1 (G1) -- 4.6. Thermodynamic based criterion: generation 2 (G2). -- 5. Discussion -- 5.1. Microstructure of 1.4307 -- 5.2. Surface condition -- 5.3. Mechanical properties -- 5.4. Chemical composition -- 5.5. Alloy development -- 5.6. Cost efficiency and materials selection.
650 7 _2inist
_aFRAGILIZACION
_91095
650 7 _2inist
_aENSAYO DE MATERIALES
_9334
650 7 _2inist
_aMETALOGRAFIA
_9335
650 7 _2inist
_aFRAGILIDAD POR ABSORCION DE HIDROGENO
_9327
650 7 _2inist
_aACEROS INOXIDABLES
_9330
650 7 _2inist
_aALEACIONES RESISTENTES A LA CORROSION
_91096
650 7 _2inist
_aACEROS AUSTENITICOS
_91097
942 _2udc
_cBK