Materials Science and Technology
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Early stages of decomposition of ferrite in duplex stainless steel
Materials Science and Technology - Tập 10 Số 4 - Trang 306-311 - 1994
Visual analysis of solidification and δ–γ transformations in steels
Materials Science and Technology - Tập 29 Số 5 - Trang 631-635 - 2013
The theory of solidification of steels and the kinetics of austenite to
α-ferrite phase transformation were extensively studied; however, comparatively,
little information is available concerning the kinetics of the δ-ferrite to
austenite transformation due to the difficulty of making in situ observations.
In the present study, a laser scanning confocal microscopy with an infrared
image furnace wa...
Energy criterion for high temperature low cycle fatigue failure
Materials Science and Technology - Tập 7 Số 5 - Trang 427-440 - 1991
Effect of heat treatment on tensile properties of friction stir welded joints of 2219-T6 aluminium alloy
Materials Science and Technology - Tập 22 Số 2 - Trang 237-241 - 2006
The effect of post-weld heat treatment (PWHT) on the tensile properties of
friction stir welded (FSW) joints of 2219-T6 aluminium alloy was investigated.
The PWHT was carried out at aging temperature of 165°C for 18 h. The mechanical
properties of the joints were evaluated using tensile tests. The experimental
results indicate that the PWHT significantly influences the tensile properties
of the FS...
High pwder Nd-YAG laser welding of SiC particle reinforced aluminium alloy 2124
Materials Science and Technology - Tập 14 Số 9 - Trang 906-912 - 1998
Modification of residual stress and microstructure in aluminium alloy by cryogenic treatment
Materials Science and Technology - Tập 36 Số 14 - Trang 1547-1555 - 2020
The effect of cryogenic treatment (CT) combined with solution and ageing
treatment on the residual stress and microstructure of 7050 aluminium alloy was
investigated. The relationship between residual stress and microstructure was
discussed. The results showed that compared to solution–ageing treatment (SA),
CT after solution and before ageing (SCA) exhibited lower level and higher
uniformity of r...
Gas tungsten arc welding of α + β titanium alloys: A review
Materials Science and Technology - Tập 25 Số 3 - Trang 309-324 - 2009
Titanium alloys used in aerospace structures require joints of high integrity to
meet the design requirements. Gas tungsten arc welding (GTAW), laser beam
welding (LBW) and electron beam welding (EBW) are all processes capable of
creating fusion welded joints. Gas tungsten arc welding offers the potential to
achieve welds of equal quality to EBW or LBW at much lower capital costs;
however, the app...
Damage characterisation in aluminium matrix composites reinforced with amorphous metal inclusions
Materials Science and Technology - Tập 31 Số 5 - Trang 579-586 - 2015
Aluminium matrix composites with volume fractions of 1 and 4% of amorphous metal
inclusions were prepared by mixing powders, spark plasma sintering (SPS) and hot
extrusion. The reinforcing phase was a Zr57Cu20Al10Ti8Ni5 metallic glass (MG)
and the matrix phase consisted of two types of aluminium powders with similar
particle sizes but different strengths (pure aluminium and 5083 alloy). Damage
mec...
Creep resistance of Fe–Ni–Cr heat resistant alloys for reformer tube applications
Materials Science and Technology - Tập 35 Số 16 - Trang 1924-1931 - 2019
Relations between microstructure, phase transformations and creep resistance of
austenitic Fe–Ni–Cr alloys are investigated. As-cast alloys with different
silicon contents and an ex-service tube are submitted to laboratory agings to
trigger specific phase transformations, and subsequently creep-tested at 950°C
under stresses of 24–48 MPa. As-cast microstructures contain interdendritic
chromium-ric...
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