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Showing 1 to 20 of 129 for “"AISI"”.
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Evaluación del comportamiento mecánico y estructural de las armaduras de acero inoxidable austenítico aisi 304 y dúplex aisi 2304
… aceros inoxidables, el más utilizado EN 1.4301 (AISI 304) tipo austenítico para usos generales, y el acero dúplex EN 1.4362 (AISI 2304), y se han comparado con el tradicional acero al carbono B500SD. El estudio se ha realizado en tres niveles diferentes: a nivel de barra, estudiando las …
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Pitting corrosion initiation in AISI 316 austenitic stainless steel
The initiation of pitting corrosion on AISI 316 stainless steel has been examined from a phenomenological viewpoint with emphasis on the role of the metal in this complex, interaction. A modified potentiodynamic technique was used to prepare specimens corresponding with a series of different points …
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Multi-component boron coatings on low carbon steel AISI 1018
… boron coatings on low carbon steel AISI 1018, the simultaneous powder pack method of boronizing and metalizing was selected to perform the coatings. One B-Fe system and eight boron-metal (B-Me-Fe) systems from transition metals group IVB (Ti, Zr, Hf), group VB (Nb, Ta), and group VIB …
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Development of NB modified AISI H13/H11 type tool steels
Includes bibliographical references (pages 186-199).
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Comportamento da integridade superficial na retificação plana de aço AISI 4340
O aço AISI 4340 é uma liga muito utilizada em diversas aplicações na indústria metal-mecânica, principalmente para a fabricação de peças sujeitas a altas solicitações mecânicas, por apresentar elevada resistência mecânica e à fadiga, além de boa usinabilidade. A usinagem, assim como todos os …
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Mechanisms of Environment Induced Subcritical Flaw Growth in Aisi 4340 Steel
Made available in DSpace on 2014-12-10T17:25:39Z (GMT). No. of bitstreams: 1 6706761.pdf: 1573786 bytes, checksum: 8311a797ea24966301f0e510f131e789 (MD5) Previous issue date: 1966
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Effects of phosphorus and tempering on the fracture of AISI 52100 steel, The
Includes bibliographical references.
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Effects of phosphorus and tempering on the fracture of AISI 52100 steel, The
Includes bibliographical references.
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Investigating the influence of thermomechanical variables on ridging in aisi 430 stainless steel
The phenomenon of ridging is known to occur in most ferritic stainless steels and is manifested during deformation of sheet material. It results in the formation of a corrugated profile with ridges always elongated in the rolling direction of the sheet and are typically around 1 mm in wavelength. …
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Influence Of Dissolved Hydrogen On The Fatigue Crack Growth Behaviour Of Aisi 4140 Steel
… available high strength medium carbon low alloy (AISI 4140) steel. The secondary objective was to examine the influence of microstructure on the fatigue crack growth behaviour of this material and to determine the hydrogen induced failure mechanism in this material during cyclic loading. The …
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Effects of chromium powder mixed in electrical discharge machining of AISI D2 hardened steels
… studies of Cr powder mixed in EDM machining of AISI D2 hardened steel using copper tungsten electrode which has been done successfully. Data were analysed using design of three factors at a time consisted of peak current (Ip), pulse-on (Pon) and powder concentration(C). Discussions were made on …
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Mejora del comportamiento a fatiga del acero AISI 4340 mediante la combinación de tratamientos superficiales
… comportamiento a fatiga han conferido al acero AISI 4340 templado y revenido a 200ºC, fueron los realizados con bolas de acero con una intensidad Almen de 14A. Con los tratamientos de mayor intensidad, como 19A, se logra obtener un perfil de tensiones residuales más profundo, pero no se obtiene …
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Quantification of fatigue damage in AISI 316L stainless steel using X-Ray powder diffraction (XRD)
… single-phase austenitic microstructure, namely AISI316L stainless steel, was selected for the relative ease of characterizing dislocation development and comparison with PXRD analysis. The initial step included plotting an S-N curve for the AISI316L material in the material annealed state …
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Changes in material characteristics of AISI 430 stainless steel plates subjected to repeated blast loading
… for the annealing and homogenisation of the AISI 430 stainless steel plates. The AISI 430 stainless steel plates used were 244 mm by 244 mm in size and had a circular exposed area of 106 mm. These plates were subjected to repeated explosive blasts, using a plastic explosive (PE4). The charge …
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Surface residual stress effects on stress corrosion cracking/hydrogen embrittlement behavior of AISI 4340 steel
… embrittlement (SCC/HE) behavior of AISI 4340 steel. Stress corrosion tests were performed under load control on cylindrical and notched tensile specimens in acidified 3.5% NaCl solution. The electrochemical potential of the specimens was maintained at -0.7 V versus a saturated …
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Estudio de desgaste tipo espiga sobre disco, utilizando un AISI 1020 cementado y un acero 01
… sobre disco, se han utilizado discos de acero AISI 1020 cementados por medio de carburante sólido a 900°C y con post-tratamiento térmico de temple y revenido, las espigas se fabricaron de un acero AISI O1 con tratamiento térmico de temple y revenido. Los ensayos se realizaron bajo diferentes …
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Influence of composition and thermomechanical processing on microstructure evolution in AISI 430 ferritic stainless steel(FSS)
… in the ferritic stainless steel grade AISI 430. In particular, it focuses on the influence of these variables on the hot band annealing behaviour of this steel. The material employed was obtained from laboratory and commercial heats. Two hot roll finish temperatures, viz. 600°C and …
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The influence of nitrogen on the deformation behaviour of a modified AISI type 200 series alloy
… on the deformation behaviour of a modified AISI 200 type alloy. The Fe-18Cr-4Ni-7Mn base alloys contained a range of nitrogen contents from 0 to 0.27 wt%. The tensile behaviour was characterised by uniaxial tensile testing. The room temperature yield strength was shown to decrease with …
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