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Keywords: microstructure
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Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. July 2022, 144(3): 031006.
Paper No: MATS-21-1290
Published Online: March 1, 2022
... during post-processing had a significant influence on the microstructure and subsequently the mechanical properties of the lattices. Oxygen content analysis was conducted to confirm the oxygen diffusion through the strurts’ peripheries. The effect of oxygen diffusion during the HIPing and sub-transus HT...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. October 2021, 143(4): 041002.
Paper No: MATS-20-1239
Published Online: April 19, 2021
...Sinem Aktaş; Ege Anıl Diler Nano-aluminum powders and nano-ZrO 2 reinforcement particles were mechanically milled and hot-pressed to produce Al–ZrO 2 nanocomposites. Microstructure and mechanical properties of Al–ZrO 2 nanocomposites were investigated using scanning electron microscope (SEM...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. July 2021, 143(3): 031006.
Paper No: MATS-20-1249
Published Online: March 4, 2021
... austenite JMAK model phase-field model microstructure finite element analysis stainless steels Steels are widely used in the automotive industry. The main reason for its use is the range of yield strengths that the different grades of steel provide and their ability to absorb energy during...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. April 2021, 143(2): 021002.
Paper No: MATS-20-1047
Published Online: September 22, 2020
...Donghui Wang; Shaogang Wang; Wen Zhang The dissimilar titanium alloys Ti70/TA5 are welded by using electron beam welding. The microstructure and mechanical properties of the welded joints are systematically investigated, and the welding parameters are optimized. Results show that the fusion zone...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. October 2020, 142(4): 041007.
Paper No: MATS-20-1006
Published Online: June 25, 2020
... 06 2020 cast aluminum microstructure porosity mechanical property ductility damage model constitutive relations materials processing microstructure property relationships plastic behavior High-strength 7XXX series commercial aluminum alloys, AA7075 for example, find...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. April 2020, 142(2): 021007.
Paper No: MATS-19-1206
Published Online: December 19, 2019
... welding microstructure heat-affected zone mechanical properties joining mechanical behavior The instinctive need for security that human beings have against external threats has kept interest toward protective equipment (armor) alive from ancient times to the present day. Conflicts...
Journal Articles
Article Type: Technical Briefs
J. Eng. Mater. Technol. April 2020, 142(2): 024502.
Paper No: MATS-19-1010
Published Online: December 5, 2019
...Shih-Ying Chang; An-Bang Wu; Jun-Yen Lee; Yan-Hua Huang The microstructure, thermal behavior, and mechanical properties of Sn-xZn-0.1RE (x = 5, 10, 20, and 30 wt%) alloys containing mixed trace rare earth elements were investigated in this study. The results showed that the alloys had the same...
Journal Articles
Article Type: Research-Article
J. Eng. Mater. Technol. April 2019, 141(2): 021011.
Paper No: MATS-17-1258
Published Online: February 13, 2019
... September 8, 2017; final manuscript received May 9, 2018; published online February 13, 2019. Assoc. Editor: Khaled Morsi. 08 09 2017 09 05 2018 nickel-based alloys welding rapid cooling microstructure hot cracking susceptibility Nickel-based alloys have excellent high...
Journal Articles
Article Type: Research-Article
J. Eng. Mater. Technol. October 2018, 140(4): 041001.
Paper No: MATS-17-1278
Published Online: April 13, 2018
...: equal channel angular pressing (ECAP) under quasi-static loading and impact under dynamic loading, using Taylor's test setup. In addition to the mechanical properties, the microstructure evolution of the material is investigated. Half of the samples are aged at 400 °C for 2 h, to remove internal stress...
Journal Articles
Article Type: Research-Article
J. Eng. Mater. Technol. April 2014, 136(2): 021004.
Paper No: MATS-13-1081
Published Online: February 5, 2014
... Beyerlein. 09 05 2013 09 09 2013 A microstructure-based fatigue model is employed to predict fatigue damage in 4140 steel. Fully reversed, strain control fatigue tests were conducted at various strain amplitudes and scanning electron microscopy was employed to establish structure...
Journal Articles
Article Type: Research-Article
J. Eng. Mater. Technol. January 2014, 136(1): 011005.
Paper No: MATS-12-1144
Published Online: December 2, 2013
... direction is orthogonal to c-axis of hexagonal close packed (HCP) lattice. Microstructural analysis shows that the former one has heterogeneous grain structure owing to grain-boundary-related recrystallization, and by contrast the later one has a more uniform microstructure for the twin-related...
Journal Articles
Article Type: Research-Article
J. Eng. Mater. Technol. July 2013, 135(3): 031004.
Paper No: MATS-12-1003
Published Online: May 6, 2013
... followed by hot extrusion. The simultaneous addition of nano-Al 2 O 3 and copper particulates led to an overall improvement in both microstructural characteristics in terms of distribution and morphology of secondary phases and mechanical response of AZ61. The presence of nanoalumina particulates broke...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. July 2012, 134(3): 031010.
Published Online: May 7, 2012
... propagation in polycrystalline tungsten microstructures. The results show a significant effect of GB property variation on change of crack propagation patterns during tungsten fracture. A variation of 10% in GB fracture energy resulted in distinctly different crack patterns with different primary crack...
Journal Articles
Article Type: Bridging Microstructure, Properties, And Processing Of Polymer-Based Advanced Materials
J. Eng. Mater. Technol. January 2012, 134(1): 010909.
Published Online: December 21, 2011
...Venkateswaran Perumal; Sivakumar Palanivelu; Siba Prasad Mookherjee; Ajit Kumar Jindal The present paper investigates the microstructure and mechanical properties’ aspects of AISI 4140 steel front axle beams developed by roll and hot-die forging processes. Microstructure of the processed beams...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. October 2011, 133(4): 041001.
Published Online: October 13, 2011
...) are performed on the finite element meshes developed on experimentally processed SiC morphologies. Analyses were performed at two different length scales: 300 μm × 60 μm (scale-1:Microscale) and 75 μm × 15 μm (scale-2:Mesoscale). Lower resolution microstructure at scale-1 does not explicitly consider...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. October 2011, 133(4): 041002.
Published Online: October 13, 2011
...G. C. Saha; T. I. Khan High velocity oxy-fuel spraying was used to develop a near-nanocrystalline coating from a duplex Co coated WC-17Co powder feedstock. A microstructural and mechanical property characterization of the coating with a similar microcrystalline coating of the same composition...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. July 2010, 132(3): 031006.
Published Online: June 16, 2010
... speeds of 140–320 rpm and feed rates between 40 mm/min and 125 mm/min. Joints were evaluated by macro- and micrometallurgical examination along with limited fatigue and tensile testing. The weld parameters were found to influence the microstructure, penetration, void formation, and tool wear among other...
Journal Articles
Article Type: Predictive Science And Technology In Mechanics And Materials
J. Eng. Mater. Technol. October 2009, 131(4): 041205.
Published Online: August 27, 2009
...K. S. Choi; W. N. Liu; X. Sun; M. A. Khaleel; J. R. Fekete Advanced high strength steels (AHSS) are performance-based steel grades and their global material properties can be achieved with various steel chemistries and manufacturing processes, leading to various microstructures. In this paper, we...
Journal Articles
Article Type: Shear Behavior And Related Mechanisms In Materials Plasticity
J. Eng. Mater. Technol. January 2009, 131(1): 011101.
Published Online: December 18, 2008
...Burghardt Klöden; Carl-Georg Oertel; Werner Skrotzki; Erik Rybacki The microstructure development was investigated in torsion deformed NiAl. High strain torsion of solid bars was done with a Paterson rock deformation machine at temperatures between 700 K and 1300 K under a confining pressure of 400...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. July 2008, 130(3): 031012.
Published Online: June 11, 2008
...Shufeng Li; Hiroshi Izui; Michiharu Okano This paper discusses the dependence of the mechanical properties and microstructure of sintered hydroxyapatite (HA) on the sintering temperature and pressure. A set of specimens was prepared from as-received HA powder and sintered by using a spark plasma...