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Keywords: fracture
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Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. April 2023, 145(2): 021004.
Paper No: MATS-22-1092
Published Online: November 22, 2022
... elastic behavior fracture mechanical behavior metals polymers ceramics intermetallics and their composites microstructure property relationships plastic behavior Aluminum (Al) alloys can be used in several sectors including transportation, electrical, biomedical, aerospace, and military...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. April 2023, 145(2): 021001.
Paper No: MATS-22-1084
Published Online: October 28, 2022
... in the preheated welded specimen. However, by increasing the preheat temperature further, the tensile strength decreases due to the formation of defects from excessive heat. The preheated sample fractured at the base metal, revealing a ductile fracture mode. The authors would like to acknowledge...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. January 2023, 145(1): 011007.
Paper No: MATS-22-1054
Published Online: October 7, 2022
... on the fracture surface at the shear strain rate of 36,000 s −1 . Furthermore, the creation of voids is aided by a rise in initial temperature. The factors affecting the formation of adiabatic shear bands are explored based on the numerical simulation, which suggests that the magnitude of the temperature gradient...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. July 2022, 144(3): 031008.
Paper No: MATS-21-1244
Published Online: April 5, 2022
... propagation prior to the transgranular cleavage fracture. Additionally, two material models were calibrated from the experimental static and cyclic experimental testing. The characterization of the fatigue behavior of wrought Fe–Co–2V presented herein will aid in the fatigue analysis of Fe–Co–2V components...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. July 2022, 144(3): 031007.
Paper No: MATS-21-1239
Published Online: March 18, 2022
.../min. The dwell time is kept constant as 5 s to attain a good quality spot weld [ 23 ]. During the shock tube forming, the sheet metal undergoes plastic deformation at a high strain rate till fracture. Thus, the damage evolution during FE simulation of forming can be obtained by incorporating...
Includes: Supplementary data
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
... by the mechanical properties and fracture mechanisms of the treated samples. Ti6Al4V lattice structure showed the transformation of α ′ martensite to an ( α + β ) lamellar structure after HIPing treatment. 1 Corresponding author. Email: hala_salem@aucegypt.edu Contributed by the Materials Division...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. July 2022, 144(3): 031003.
Paper No: MATS-21-1101
Published Online: February 10, 2022
... echnology . 31 03 2021 22 07 2021 23 07 2021 10 02 2022 friction stir welding additive friction stir deposition AFS-D aluminum repair fatigue fracture materials processing mechanical behavior microstructure property relationships U.S. Department of Defense...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. July 2022, 144(3): 031001.
Paper No: MATS-20-1043
Published Online: January 12, 2022
... manufacturers to seek new methods of reducing the overall cost of PV cells. This is accomplished in part by reducing the thickness of silicon substrates in order to obtain more wafers per ingot [ 3 – 6 ]. Given the brittle nature of silicon, thinner wafers are more prone to fracture, which is a common...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. April 2022, 144(2): 021008.
Paper No: MATS-21-1167
Published Online: November 23, 2021
... 800H tested at ( a ) 550 ∘ C , ( b ) 650 ∘ C , and ( c ) 760 ∘ C Secondary electron images at 500X magnification of fatigue rupture surfaces of DB 800H tested at (a) 550∘C, (b) 650∘C, and (c) 760∘C Fig. 5 Creep fracture mechanism of the DB 800H specimen...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. January 2022, 144(1): 011007.
Paper No: MATS-21-1030
Published Online: June 23, 2021
... in detail in our previous paper [ 17 ]. The induced core–shell interface in such architecture hinders dislocation movement and promotes sessile dislocation and twinning nucleation, which alleviated strain localization and improved deformability. elastic behavior fracture mechanical behavior...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. October 2021, 143(4): 041010.
Paper No: MATS-21-1106
Published Online: June 17, 2021
.... , and Pal , S. , 2017 , “ Investigation of Role of Alloy Microstructure in Hydrogen-Assisted Fracture of AISI 4340 Steel Using Circumferentially Notched Cylindrical Specimens ,” Mater. Sci. Eng. A , 698 , pp. 191 – 197 . 10.1016/j.msea.2017.05.056 [6] Laliberté-Riverin , S. , Bellemare...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. January 2022, 144(1): 011005.
Paper No: MATS-21-1006
Published Online: May 31, 2021
...Theodore Zirkle; Luke Costello; Ting Zhu; David L. McDowell The diffusion of hydrogen in metals is of interest due to the deleterious influence of hydrogen on material ductility and fracture resistance. It is becoming increasingly clear that hydrogen transport couples significantly with dislocation...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. October 2021, 143(4): 041005.
Paper No: MATS-21-1055
Published Online: May 10, 2021
... . 11 02 2021 12 04 2021 13 04 2021 10 05 2021 C/C composite out-of-plane compression failure mechanism strain-rate-dependent constitutive model constitutive relations environmental effects fracture mechanical behavior microstructure property relationships Carbon...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. July 2021, 143(3): 031009.
Paper No: MATS-20-1181
Published Online: April 19, 2021
...Saibal Kanchan Barik; R. Ganesh Narayanan; Niranjan Sahoo The present study deals with both numerical and experimental evaluation of failure strain and fracture pattern during shock tube impact forming of 1.5 mm thick AA 5052-H32 sheet. A hemispherical end nylon striker is propelled to deform...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. April 2021, 143(2): 021001.
Paper No: MATS-20-1009
Published Online: September 22, 2020
... by strong interfiber bonds. Fiber fracture is the only failure mechanism. For a random fiber orientation case, deformation of the unnotched specimen occurs by long-range fiber chains connecting the load inducing boundaries, and failure is by tearing the cross section. The strength of the notched random...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. January 2021, 143(1): 011006.
Paper No: MATS-19-1246
Published Online: September 1, 2020
... in Fig. 5 , there were differences in hardness between M-A and the matrix. From these results, it is considered that microcracks might occur in this HAZ sample, so the cross section near the fracture origin after the CTOD test was observed to confirm the relationship between crack propagation...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. January 2021, 143(1): 011005.
Paper No: MATS-20-1082
Published Online: September 1, 2020
... processed (FSPed) AZ31 and AZ31/SiC MMC at various strain rates in the range of 10 −2 to 10 −4 s −1 were investigated, and the fracture mechanisms of each condition were analyzed. The results verified that MMC samples exhibited a remarkable enhancement in microhardness. The evolution of inclined basal...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. January 2021, 143(1): 011004.
Paper No: MATS-20-1081
Published Online: August 24, 2020
... results and fractographic analyses showed that microvoids led to failure initiation at micro lengths. An unstable fracture behavior dominated the final failure under different types of loading. Global plastic deformation was observed in the case of uniaxial tension, while local plasticity was observed...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. October 2020, 142(4): 041009.
Paper No: MATS-20-1023
Published Online: August 3, 2020
... with the increase of test temperature. Analysis of fracture surfaces reveals that at elevated temperatures, growth of dimples and void coalescence occurs due to the enhanced diffusion rate and occurrence of recrystallized grains. The mechanical properties and fracture behavior of ECAE processed CP titanium were...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. July 2020, 142(3): 031006.
Paper No: MATS-19-1125
Published Online: March 11, 2020
.... The mechanical properties of the coatings were determined through bend testing bilayer specimens and tensile testing the standalone coating. The effects of Ti content and annealing on Young’s modulus, toughness, and fracture strength were investigated. After annealing, the toughness and strength improved...