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Showing 1 to 20 of 21 for “"HSLA"”.
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Mode I Fracture Toughness Testing of Friction Stir Processed HSLA-65
… fracture toughness of friction stir processed HSLA-65 was determined using current ASTM 1820 and BS 7448 standards. Double-sided welds were used to achieve 12.7 mm thick samples. A constant feed rate of 100 mm/min was used for all welds. To explore the effect of weld parameters on toughness, …
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Relationship between Microstructure, Properties and HICC Resistance of HSLA steel weld metals
… (HICC) resistance of high strength low alloy (HSLA) steel weld metals were studied in this investigation. The weld metals were designed in a previous work. Their microstructures were characterised by optical and electron microscopy (FEG-SEM and TEM). Microphases, such as non metallic inclusions …
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Non-Standard Fixed Hsla-V Military Bridge: Fabrication, Testing, and Model Simulation
… of Vanadium-containing High Strength Low Alloy (HSLA-V) steel. Continuing research activities at the University of South Carolina have resulted in the development of a military bridge system that utilizes HSLA-V grade 70 steel in an innovative manner as the faceplates for a sandwich plate box …
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Physical metallurgy of some low-carbon, Cu-bearing HSLA plate steels, The
Includes bibliographical references.
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Correlation of the cold cracking tendencies to microstructure of HSLA line pipe steels
Includes bibliographical references (pages 88-102).
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Development of bimodal grain structures and their effect on toughness in HSLA steel
… (i.e. mixed coarse + fine grain sizes) in TMCR HSLA steel plates, as-continuously cast HSLA steel slabs with varying microalloying additions (Ti, Nb and V) were reheated to temperatures in the range 1000-1300 °C and deformed at 1110 °C and 980 °C temperatures in Gleeble 3500. The interdendritic …
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The influence of environment on the fatigue behavior of HF-80 HSLA steel
Single-pitted specimens of HF-80, a HSLA steel, were tested in laboratory air and in 1 M NaCl solution to study the influence of a corrosive environment on its fatigue life.
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A study of the microstructural basis for the strength and toughness properties of overaged HSLA-100 steel
A certification program for the use of HSLA steel in ship construction is currently being funded by the U.S. Navy. Integral to this program is the characterization of the microstructure of the highly weldable HSLA-100 steel. In the present work, optical, scanning electron and transmission electron …
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Physical metallurgical basis for heat-affected zone and base-plate properties of a microalloyed HSLA steel, A
Includes bibliographical references.
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Determination of residual stresses in HSLA-100 steel weldments as a function of welding parameters using x-ray diffraction
… parameters on the residual stress state of HSLA-100 bead-on-plate weldments. Three groups of samples were provided to Virginia Tech by CDNSWC. The first (GPX) was a sample of unwelded, as-received base material; the second group (RS-) consisted of an experimental matrix of differently …
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Stress corrosion cracking and hydrogen embrittlement of thick section high strength low alloy steel
… of weldments of a high strength low alloy(HSLA) steel in a simulated seawater environment. This steel, designated HSLA80, was developed by the United States Navy for use in ship structural applications. Stress corrosion CRACKING(SCC) and hydrogen embrittlement(HEM) were investigated by …
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Sulfide stress cracking resistance of API-X100 high strength low alloy steel in H2S environments
… developed API-X100 High Strength Low Alloy (HSLA) steel was investigated in the NACE TM0177 "A" solution. The NACE TM0177 "A" solution is a hydrogen sulfide (H2S) saturated solution containing 5.0 wt.% sodium chloride (NaC1) and 0.5 wt.% acetic acid (CH3COOH). The aim of this thesis was to …
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Comportamiento en frío y en caliente de aceros con bajo contenido de carbono obtenidos a través de procesos de laminación controlada
… de fase dual (enfriados con agua) y aceros HSLA (cuando el enfriamiento se realiza más lentamente). Dentro de las ventajas de este proceso se encuentran las propiedades mecánicas que permiten su aplicación industrial y el bajo costo en comparación a aceros aleados; los aceros con estas …
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Experimental determination of the yield locus of anisotropic metal sheets using digital image correlation
… of two anisotropic steel sheets (DP600 and HSLA). Uniaxial tension and compression tests were performed in the rolling and transverse directions and at 45 degrees to the rolling direction for each sheet. Plane-strain tension tests were carried out along the rolling and transverse directions. …
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Tensiones residuales generadas en la ZAC y su influencia en la tenacidad a la fractura en los aceros de HSLA, bajo un proceso de soldeo por arco sumergido
… un acero microaleado de alto límite elástico (HSLA), se han obtenido probetas, para las que se determinan: El nivel de tensiones residuales que se produce en la zona afectada por el calor (ZAC), fundamentalmente en la región intercrítica, cuando los aceros de medio y alto límite elástico se …
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Exothermic flux forge welding of steel tubulars
… welding of a high strength low alloy (HSLA) steel and American Petroleum Institute (API) Q125 grade high-strength casing with a 14-inch (355.6 mm) outer diameter and 0.866-inch (22 mm) wall thickness. Post weld heat treatment approaches, including a multi-step heat treatment that …
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Nonlinear Finite Element Modeling and Analysis of Metal Hot Forming for Automotive Weight Reduction
… hub is currently manufactured from 2.5mm thick HSLA and a transition to 1.5mm thick 22MnB5 is proposed. This would represent a 38% mass reduction if successful. Typically, 22MnB5 has been reserved for structural components, which have substantially less complex geometry than that of a typical …
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Hydrogen distribution and redistribution in the weld zone of constructional steels
… (TMCR-AC) high strength low alloy (HSLA) steel with no pearlite, plus a 0.4%C non-plate steel, were included in the experimental program. Welds were made with rutile ux-cored-wire (R-FCW) at two hydrogen levels, together with rutile shielded-metal-arc (R-SMA) welds. In order to …
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