Now showing items 21-40 of 399

    • Improving the mechanical properties of composite pipe using multi-angle filament winding 

      Lea, Richard H.; Yang, Chihdar Charles (National Association of Corrosion Engineers International, 1998-03)
      The benefits of composite materials-light weight, corrosion resistance, handling ease, etc., have long been appreciated. Composite piping systems are gaining wide acceptance in various industries such as petrochemical, ...
    • Heat-activated joining technology for composite to alloy piping systems 

      Stubblefield, Michael A.; Yang, Chihdar Charles; Pang, Su-Seng (Society of Plastics Engineers (SPE), 1998-04)
      A new process for joining composite to alloy piping systems, the heat-activated joining technique, has been developed. The strength of the heat coupling joint in bending, tension, and hydro static testing was comparable ...
    • Finite element analysis of the sawing process for super abrasive diamond tools 

      Jerro, H.D.; Pang, Su-Seng; Yang, Chihdar Charles; Mirshams, R.A. (American Society of Mechanical Engineers (ASME), 1999-02)
      Circular diamond blade sawing is one of the most extensively used methods of processing stone and other hard materials. The process uses composite segments, which are composed of diamond grits in a metal matrix binder, ...
    • Kinematics analysis of the chipping process using the circular diamond saw blade 

      Jerro, H.D.; Pang, Su-Seng; Yang, Chihdar Charles; Mirshams, R.A. (American Society of Mechanical Engineers (ASME), 1999-05)
      One of the primary goals in the design of a diamond blade cutting system is to reduce the cutting force. By understanding the fundamentals of the kinematics of the sawing operation, these forces can be lowered and even ...
    • Stress-strain analysis of a taper-taper adhesive-bonded joint under cylindrical bending 

      Helms, Jack E.; Yang, Chihdar Charles; Pang, Su-Seng (American Society of Mechanical Engineers (ASME), 1999-07)
      A model of a taper-taper adhesive-bonded joint under cylindrical bending has been derived using first-order laminated plate theory. Shear correction factors were used to account for transverse shear deformation. A FORTRAN ...
    • Design and analysis of composite pipe joints under tensile loading 

      Yang, Chihdar Charles (Sage, 2000)
      Composite pipe has been used in transporting corrosive fluid in many chemical processes in the petrochemical and pulp and paper industries. More recently, composite pipe has further gained its importance in the offshore ...
    • Reinforcement and backpropagation training for an optical neural network using self-lensing effects 

      Cruz-Cabrera, A.A.; Yang, Mingtao; Cui, Guogi; Behrman, Elizabeth C.; Steck, James E.; Skinner, Steven R. (IEEE, 2000-11)
      The optical bench training of an optical feedforward neural network, developed by the authors, is presented. The network uses an optical nonlinear material for neuron processing and a trainable applied optical pattern as ...
    • Evaluation and adjustments for ASTM D 5656 standard test method for thick-adherend metal lap-shear joints for determination of the stress-strain behavior of adhesives in shear by tension loading 

      Yang, Chihdar Charles; Huang, Hai; Tomblin, John S.; Oplinger, D.W (American Society for Testing and Materials, 2001-01)
      Adhesive-bonded joints have been used widely for composite materials as a necessary alternative to conventional mechanical joint designs. In a bonded joint, the load is transferred from one substrate to the other mainly ...
    • Strength analysis of adhesive-bonded single-lap composite joints 

      Huang, Hai; Yang, Chihdar Charles (American Society of Mechanical Engineers(ASME), 2001-02)
      An analytical model was developed to determine the stress and strain distributions of adhesive-bonded composite single-lap joints under tension. Laminated anisotropic plate theory was applied in the derivation of the ...
    • Investigation of thick bondline adhesive joints. FInal report 

      Tomblin, John S.; Yang, Chihdar Charles; Harter, P. (National Technical Information Service (NTIS), 2001-06)
      In recent years, the use of polymer matrix composite materials as primary structural components has risen, especially in the general aviation (GA) industry. The use of composites not only results in weight savings, but ...
    • Investigation of adhesive behavior in aircraft applications 

      Yang, Chihdar Charles; Tomblin, John S. (National Technical Information Service (NTIS), 2001-09)
      There are two parts included in this report. The first part evaluates the most commonly used test method for adhesive properties, ADTM D 5656 Standard Test Method for Thick-Adherend Metal Lap-Shear Joints for Determination ...
    • Stress analysis of composite pipe joints under combined torsional and tensile loading 

      Yang, Chihdar Charles; Guan, Zhidong (Society for the Advancement of Material and Process Engineering (SAMPE), 2001-11)
      An analytical model was developed using the first-order laminated anisotropic plate theory to determine the stress and strain distributions within a composite pipe joint under combined torsional and tensile loading. Due ...
    • Finite element analysis of adhesive-bonded single-lap joints 

      Yang, Chihdar Charles; Guan, Zhidong; Tomblin, John S.; Sun, Wenjun (American Society of Mechanical Engineers(ASME), 2002-02)
      Finite element analyses were conducted using commercial software ABAQUS to analyze the mechanical behavior of single-lap adhesive-bonded joints. Adhesive was characterized for the stress-strain relation by comparing the ...
    • Stress and failure analyses of adhesive-bonded composite joints using ASTM D3165 specimens 

      Huang, Hai; Yang, Chihdar Charles; Tomblin, John S.; Harter, P. (American Society for Testing and Materials, 2002-04)
      An analytical model was developed to determine the stress and strain distributions of single-lap adhesive-bonded composite joints under tension. Both the adherend and the adhesive were assumed linear elastic in the ...
    • Low-velocity impact and damage process of composite laminates 

      Guan, Zhidong; Yang, Chihdar Charles (SAGE Publications, 2002-04)
      Several important issues regarding damage simulation of composite laminates due to low velocity impact were investigated including contact law, damage initiation and the corresponding change of stiffness, and damping. ...
    • Characterization of bondline thickness effects in adhesive joints 

      Tomblin, John S.; Harter, P.; Seneviratne, Waruna P.; Yang, Chihdar Charles (American Society for Testing and Materials, 2002-04)
      Growing application of composite materials in air-frame structures tends to make significant use of bonded constructions. Despite the large work that has been done on adhesive characterization over previous years, various ...
    • Stress model of composite pipe joints under bending 

      Yang, Chihdar Charles; Huang, Hai; Guan, Zhidong (SAGE Publications, 2002-06)
      Recently, composite pipe is becoming popular in the offshore oil and gas industry due to the new floating designs of various platforms which have made deepwater oil and gas exploration and production more economical and ...
    • Analytical modeling of ASTM lap shear adhesive specimens. FInal report 

      Yang, Chihdar Charles; Tomblin, John S.; Guan, Zhidong (National Technical Information Service (NTIS), 2003-02)
      An analytical model was developed to predict the stress distribution within the specimen specified in ASTM D 3165 Strength Properties of Adhesives in Shear by Tension Loading of Single-Lap-Joint Laminated Assemblies. In ...
    • Elastic-plastic model of adhesive-bonded single-lap composite joints 

      Yang, Chihdar Charles; Huang, Hai; Tomblin, John S.; Sun, Wenjun (SAGE Publications, 2004-02)
      An analytical model for determining adhesive stress distributions within the adhesive-bonded single-lap composite joints was developed. ASTM D3165 Strength Properties of Adhesives in Shear by Tension Loading of SingleLap-Joint ...
    • Fracture analysis of adhesive-bonded single-lap composite joints 

      Sun, Wenjun; Yang, Chihdar Charles (Society for the Advancement of Material and Process Engineering, 2004-05)
      A fracture mechanics model to estimate the energy release rate of adhesive-bonded single-lap composite joints under tension has been developed. The stress distributions of the adhesive-bonded single-lap composite joint ...