Browsing CE Theses and Dissertations by Author "Madhavan, Viswanathan"
Now showing items 1-14 of 14
-
Deformation of OFHC copper during cutting
Vasomsetti, Sreedhar (Wichita State University, 2012-05)Metal cutting induces larger strains and high strain rates within the primary shear zone (PSZ). The study is aimed at understanding the nature of high strain rate deformation of a highly ductile and workhardening material, ... -
Determination of material constitutive models using orthogonal machining tests
Al Bawaneh, Mahmoud (Wichita State University, 2007-12)The aim of present research is to fine-tune and improve Johnson-Cook (JC) constitutive model parameters for American Iron and Steel Institute (AISI) 1045 carbon steel and Oxygen-free high conductivity (OFHC) copper using ... -
Development and application of immersive virtual environment for assembly tasks
Zhao, Weiwei (Wichita State University, 2006-12)This research is aimed at the development and application of an immersive virtual reality environment (IVE) for performing assembly and maintenance simulations using the Jack® software package. The Flock of Birds™ motion ... -
Deviation between the sliding direction of the chip over the tool and the direction of the friction force in oblique cutting
Yegneswaran, Kamalesh (2006-07)Pure oblique cutting experiments with conventional cutting tools as well as ultra-sharp tools have been carried out under a wide range of cutting conditions using a linear slide based cutting set-up. The chip flow direction ... -
Effect of conditioners on Cu-Cu and Al-Cu high current density sliding electrical contacts
Badamikar, Anupam Shirish (Wichita State University, 2009-12)This study was aimed at evaluating the performance of contact conditioners in sliding electrical contacts. Cu-Cu and Al-Cu sliding contacts have been tested at current densities up to 933 A/mm2 and 733 A/mm2 respectively. A ... -
Evaluation of springback prediction capability using uniform pure bending
Patel, Kunal Indravadan (2006-05)The aim of this study is to develop uniform pure bending as an objective test for determining the accuracy of springback prediction by employing different FEA techniques. A complete theoretical solution for the bending ... -
Experimental determination of strain rate and flow stress in the primary shear zone while machining AISI 4340 and Ti-6AL-4V
Srinivasan, Kiran (Wichita State University, 2010-08)Metal cutting subjects the material being cut to high strain rates (103 -106/s) and strains>100% within the primary shear zone (PSZ). This thesis is aimed at quantitative measurement of the strain, strain rate and flow ... -
Experimental determination of velocity and strain rate fields in metal cutting of OFHC copper
Mahadevan, Dinesh (Wichita State University, 2007-12)Metal cutting subjects the material being cut to strains greater than 100% at high strain rates between 103/s and 106/s and may be a good test for mechanical properties in this strain rate regime. This thesis presents an ... -
Experimental study of the effect of a contact conditioner on sliding electrical contacts
Rajan, Naveen Mukund (Wichita State University, 2007-12)This thesis documents research carried over the past two years, aimed at studying the tribology of sliding contacts subjected to high densities of current of the order is 422 --917A/mm2. The overall aim was the development ... -
Exprimental study of the effect of a contact conditioner on sliding electric contact
Chandurkar, Dhananjay (2006-12)This thesis is aimed at studying the tribology of sliding contacts subject to high current densities. A flat-ended Copper tip sliding on a flat Copper plate was the test configuration and current densities of the order of ... -
Improved understanding of metal cutting based on slip-line field theory
Deshpande, Amit Anand (Wichita State University, 2012-12)This dissertation consists of three papers, which describe a new capability for deriving slip-line fields (SLFs) from results of finite element analyses, and its application to the problem of metal cutting. The first paper ... -
Numerical study of the occurrence of adiabatic shear banding without material failure
Swaminathan, Palanivel (Wichita State University, 2010-12)Segmented chips that arise as a result of formation of adiabatic shear bands are common in high-speed machining of harder alloys. Analytical models describing the mechanics of segmented chip formation have been developed, ... -
Sources of error in relating nanoindentation results to material properties
Kashani, Mahdi Saket (Wichita State University, 2010-05)This dissertation consists of four submission-ready papers that address some of the key error sources that affect the accuracy of interpretation of nanoindentation test results to obtain material properties for ... -
Tool rake face temperature distribution by near infrared thermography
Garcia Gonzalez, Jean Carlos (Wichita State University, 2015-12)This thesis is concerned with experimentally obtained full field temperature distributions at the interface between chip and tool - the tool rake face - for the machining of Ti6Al4V and Inconel 718. As part of the work ...