Browsing by Author "Benzerga, Amine"
Now showing items 1-20 of 46
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Actuation Fatigue Characterization Methods and Lifetime Predictions of Shape Memory Alloy Actuators Wheeler III, Robert Warren (2017-05-05)Shape Memory Alloys (SMAs) are a class of intermetallic alloys that possess the ability to repeatedly sustain large amounts of deformation and recover a designed geometry through a thermal-induced, diffusionless, solid-to-solid ...
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Mengji, Divya (2022-04-18)Advanced High Strength Steels (AHSS) are increasingly being used in the automotive industry for vehicle body manufacturing to reduce overall weight and increase fuel efficiency. Major challenges associated with forming ...
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Liu, Tung Yan (2018-05-04)We use molecular dynamics simulations of cyclic deformation to investigate the viscoelastic response of two-component, defect-free, face-centered cubic equiatomic solid solutions (ESSs). Rather than simulate a specific ...
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Haskins, Justin (2013-01-11)A first approach to engineering problems in nanosized systems requires a thorough understanding of how physical properties change as size decreases from the macroscale. One important class of properties that can be severely ...
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Awed, Ahmed Mohamed Metwaly (2016-08-05)Researchers at Texas A&M University have developed the Pavement Analysis using Nonlinear Damage Approach (PANDA) for predicting the performance of asphalt concrete mixtures. PANDA offers substantial improvements in mechanistic ...
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Bielefeldt, Brent Ryan (2016-07-29)The development of new structural damage detection methods is of great interest to the aerospace industry. Current detection techniques rely on experiences with similar vehicles operating in similar conditions and require ...
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Keralavarma, Shyam Mohan (2012-02-14)The objective of this dissertation is to further the understanding of inelastic behavior in metallic materials. Despite the increasing use of polymeric composites in aircraft structures, high specific strength metals ...
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De Castro, Anthony (2011-02-22)Glassy polymers are extensively used to make all kinds of structural components. Polymers, such as epoxies, are often chosen as matrices in polymer matrix composites (PMC). Ever since the 1960s, these types of composites ...
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Wang, Ruoshui (2016-12-14)Honeycomb structures are widely used in engineering applications. This work consists of three parts, in which three modified honeycombs are designed and analyzed. The objectives are to obtain honeycomb structures with ...
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Agboola, Babatunde Omogbolahan (2015-07-30)Continuum thermodynamic constitutive phase field models are developed to simulate the rate dependent, thermomechanical response and precipitate formation in shape memory alloys (SMAs). The two models are based on the ...
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Murudkar, Rahul R. (2010-10-12)Equal Channel Angular Extrusion (ECAE) has great potential for developing ultrafine grain structure consisting of homogeneous and equiaxed grains dominated by high angle grain boundaries. In addition, the ECAE-processed ...
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Torki Harchegani, Mohammad Ebrahim (2019-04-11)Fracture causes enormous material and energy waste per annum, with large economical, industrial and environmental impact. In particular, ductile failure under shear-dominated loading pervades in many areas of manufacturing, ...
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Phillips, Francis Randall (2018-07-27)Shape Memory Alloys (SMAs) are a unique type of metallic alloys which exhibit a reversible, crystallographic phase transformation between austenite and martensite. SMAs have found applications in a number of industries, ...
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Rodriguez Atencio, Ana Karina (2015-04-29)Due to their low density and high specific strength, magnesium and its alloys are structural metals attractive for the aerospace and automotive industries. However, wide spread use of wrought magnesium is challenged by its ...
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Enhancing the Strength and Formability of Magnesium Alloys for Lightweight Structural Applications Vaughan, Matthew Webster (2017-06-29)Given their low density and high specific strength, magnesium alloys show excellent potential for use in lightweight structural applications. Current challenges facing these materials are poor strength levels and limited ...
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Experimental Characterization and Modeling of Aging-Induced Damage in Semicrystalline Thermoplastics Cundiff, Kenneth Noel (2020-09-09)Semicrystalline thermoplastics (SCTPs) are technologically important for their easy formability, high weight specific strength, and recyclability. However, certain environmental conditions, such as ultraviolet (UV) radiation, ...
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Abdel Al, Nisrin Rizek (2011-02-22)The mechanical properties of materials strongly depend on their microstructure. Therefore, engineering the material's microstructure can lead to improving its mechanical properties. One method for enhancing the strength ...
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Murphy, Jason Kyle (2014-12-03)Biodegradable polymers have been in use for biomedical applications such as sutures and various implants for many years. In the recent decade, research into the development of biodegradable cardiac stents has expanded. ...
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Benzerga, Amine; Burgess, Brad (2011-08-04)ABSTRACT Fracture of Thermosetting Polymers: Experiments and Modeling. (April 2009) Brad Evin Burgess Department of Aerospace Engineering Texas A&M University Research Advisor: Dr. Amine Benzerga Department of Aerospace ...
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A Gradient-based Constitutive Model to Predict Size Effects in the Response of Shape Memory Alloys Tabesh, Majid (2015-06-05)Shape memory alloys (SMAs) show size effect in their response because the behavior of small-scale SMA structures deviates from that of the bulk material. Ni-Fe-Ga ferromagnetic SMA micropillars, for example, demonstrated ...