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Keywords: fatigue
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Journal Articles
Accepted Manuscript
Article Type: Research Papers
J. Eng. Mater. Technol.
Paper No: MATS-21-1180
Published Online: January 21, 2022
...Debin Sun; Junzhou HUO; Shaoxia An To scrupulously predict the creep-fatigue life of materials, a creep life prediction model is firstly proposed in this study considering real-time creep damage derived from the Kachanov creep damage model; secondly, combined with the Chaboche fatigue damage model...
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
..., fatigue, creep, and creep-fatigue tests at temperatures 550 to 760 ∘ C . The test results, failure mechanisms, and microstructures of diffusion bonded Alloy 800H are scrutinized and presented. Email: hpmahaja@ncsu.edu Email: lmaciel@ncsu.edu Email: thassan@ncsu.edu Contributed...
Journal Articles
Accepted Manuscript
Article Type: Research Papers
J. Eng. Mater. Technol.
Paper No: MATS-21-1101
Published Online: October 22, 2021
... repair did not exhibit any significant grain growth and demonstrated an increase in the average Vickers hardness in the repair compared to the wrought 7075-T651 control. Tensile and fatigue behavior was investigated for heat-treated repair and compared to the wrought AA7075-T651 control. The heat-treated...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. April 2020, 142(2): 021001.
Paper No: MATS-19-1143
Published Online: November 5, 2019
...Sha Xu; Hao Chen; Yali Yang; Kun Gao Three-dimensional (3D) reconstruction and finite element method are combined to study the damage behavior of aluminum alloy resistance spot-welded joints. Fatigue damage of spot-welded joints under different cyclic loading stages was obtained by X-ray...
Journal Articles
Article Type: Research-Article
J. Eng. Mater. Technol. January 2019, 141(1): 011003.
Paper No: MATS-17-1140
Published Online: July 10, 2018
... thermomechanical fatigue (TMF), a temperature-dependent crystal viscoplasticity (CVP) constitutive model is extended to include the effects of aging. The influence of aging in the CVP framework is captured through the addition of internal state variables that measure the widening of the γ channels and in-turn...
Journal Articles
Article Type: Research-Article
J. Eng. Mater. Technol. October 2018, 140(4): 041008.
Paper No: MATS-17-1328
Published Online: June 18, 2018
...Thomas Bouchenot; Calvin Cole; Ali P. Gordon; Casey Holycross; Ravi C. Penmetsa Next-generation, reusable hypersonic aircraft will be subjected to extreme environments that produce complex fatigue loads at high temperatures, reminiscent of the life-limiting thermal and mechanical loads present...
Journal Articles
Article Type: Research-Article
J. Eng. Mater. Technol. January 2018, 140(1): 011013.
Paper No: MATS-16-1325
Published Online: September 13, 2017
...Pham Quang Trung; Nay Win Khun; David Lee Butler Shot peening is well known as a surface deformation process which can induce compressive residual stresses into the subsurface of materials in order to improve the fatigue life. In this paper, the effects of the process conditions for both single...
Journal Articles
Article Type: Research-Article
J. Eng. Mater. Technol. October 2017, 139(4): 041012.
Paper No: MATS-17-1032
Published Online: July 6, 2017
...Renan L. Ribeiro; Michael R. Hill Cold expansion (CX) is a material processing technique that has been widely used in the aircraft industry to enhance fatigue life of structural components containing holes. CX introduces compressive hoop residual stresses that slow crack growth near the hole edge...
Journal Articles
Article Type: Research-Article
J. Eng. Mater. Technol. July 2017, 139(3): 031005.
Paper No: MATS-16-1169
Published Online: March 27, 2017
...: Huiling Duan. 06 06 2016 11 01 2017 Fatigue Fracture High-temperature creep Machining Materials processing Metals Polymers Ceramics Intermetallics Composites The aim of this study is the possibility of developing a rotor blade made of a TiAl intermetallic alloy, which...
Topics: Blades, Design
Journal Articles
Article Type: Research-Article
J. Eng. Mater. Technol. April 2017, 139(2): 021007.
Paper No: MATS-16-1157
Published Online: February 7, 2017
...Ying Sun; George Z. Voyiadjis; Weiping Hu; Qingchun Meng; Yuanming Xu Hole cold expansion and bolt clamping force are usually applied to improve the fatigue performance of bolted joints. In order to investigate the effects of hole cold expansion and bolt clamping force and reveal the mechanism...
Journal Articles
Article Type: Research-Article
J. Eng. Mater. Technol. October 2016, 138(4): 041017.
Paper No: MATS-15-1176
Published Online: August 8, 2016
... of these materials. In this research, the microstructures of two cobalt-based Tribaloy alloys that are largely different in Si content are studied using scanning electron microscopy (SEM) with an EDAX energy dispersive X-ray (EDX) spectroscopy, and X-ray diffraction (XRD), fatigue strength under rotating-bending...
Journal Articles
Article Type: Research-Article
J. Eng. Mater. Technol. October 2016, 138(4): 041013.
Paper No: MATS-15-1187
Published Online: July 19, 2016
...Morteza Rahimi Abkenar; David P. Kihl; Majid T. Manzari Increasing interest in using aluminum as the structural component of light-weight structures, mechanical devices, and ships necessitates further investigations on fatigue life of aluminum alloys. The investigation reported here focuses...
Journal Articles
Article Type: Research-Article
J. Eng. Mater. Technol. October 2016, 138(4): 041007.
Paper No: MATS-16-1012
Published Online: June 15, 2016
...; published online June 15, 2016. Assoc. Editor: Huiling Duan. 12 01 2016 15 04 2016 Fatigue Mechanical behavior Plastic behavior The design and life-expectancy of many machines are greatly influenced by the components subjected to the highest temperatures. Such systems...
Journal Articles
Article Type: Research-Article
J. Eng. Mater. Technol. October 2016, 138(4): 041006.
Paper No: MATS-16-1020
Published Online: June 13, 2016
...M. Preciado; P. M. Bravo; D. Cárdenas The fatigue properties of high-pressure die-casting (HPDC) magnesium (Mg) alloys AZ91 exhibit a high variability, due primarily to the porosity that is inherent in the injection process. In the 94% of the studied samples, the porosity in which crack nucleation...
Journal Articles
Article Type: Research-Article
J. Eng. Mater. Technol. April 2016, 138(2): 021006.
Paper No: MATS-15-1125
Published Online: January 29, 2016
... to validate these claims. In this paper, two unified viscoplastic models (Miller and Walker) are experimentally validated for HX subjected to creep and 304SS subjected to strain-controlled low cycle fatigue (LCF). Both constitutive models are coded into ansys Mechanical as user-programmable features. Creep...
Journal Articles
Article Type: Research-Article
J. Eng. Mater. Technol. April 2016, 138(2): 021003.
Paper No: MATS-15-1173
Published Online: January 21, 2016
...Abir Bhattacharyya; Ghatu Subhash; Nagaraj Arakere; Bryan D. Allison; Bryan McCoy Microstructural and mechanical characterization investigations on three variants of a through-hardened M50 bearing steel are presented to compare and contrast their performances under rolling contact fatigue (RCF...
Journal Articles
Article Type: Research-Article
J. Eng. Mater. Technol. October 2015, 137(4): 041002.
Paper No: MATS-14-1187
Published Online: October 1, 2015
... the cooperative damaging effects of ultraviolet (UV), moisture, and cyclic loading on the structural integrity of carbon fiber reinforced vinyl-ester marine composite. Results demonstrate that UV and moisture can synergistically interact with fatigue damage mechanisms and accelerate fatigue damage accumulation...
Journal Articles
Article Type: Technical Briefs
J. Eng. Mater. Technol. October 2015, 137(4): 044501.
Paper No: MATS-14-1084
Published Online: October 1, 2015
...; published online June 15, 2015. Assoc. Editor: Tetsuya Ohashi. 19 04 2014 27 03 2015 15 06 2015 Fatigue analysis of a simply supported composite plate with laminate configuration of [0 n /90 n ] s under central patch impulse loading is presented using an analytical method...
Journal Articles
Article Type: Research-Article
J. Eng. Mater. Technol. October 2015, 137(4): 041004.
Paper No: MATS-14-1210
Published Online: October 1, 2015
...: Ashraf Bastawros. 28 10 2014 28 05 2015 15 06 2015 The fatigue properties of two variants of AISI 1018 steel samples were measured in a series of 33 experiments using new kinds of magnetic diagnostics. An MTS-810 servohydraulic test machine applied sinusoidal fully reversed (R...
Journal Articles
Article Type: Research-Article
J. Eng. Mater. Technol. July 2015, 137(3): 031007.
Paper No: MATS-15-1001
Published Online: July 1, 2015
..., 2015. Assoc. Editor: Peter W. Chung. 01 01 2015 02 04 2015 06 05 2015 In the present investigation, the applicability of a previously developed closed form energy based framework to predict low cycle fatigue (LCF) life of aluminum 6061-T6 was extended from room temperature...