Search Results - "Murthy, C R L"

Time reversal technique for health monitoring of metallic structure using Lamb waves by Gangadharan, R., Murthy, C.R.L., Gopalakrishnan, S., Bhat, M.R.

“…Time reversal active sensing using Lamb waves is investigated for health monitoring of a metallic structure. Experiments were conducted on an aluminum plate to…”
Get full text

On the sensitivity of elastic waves due to structural damages: Time–frequency based indexing method by Gangadharan, R., Mahapatra, D. Roy, Gopalakrishnan, S., Murthy, C.R.L., Bhat, M.R.

“…Time–frequency analysis of various simulated and experimental signals due to elastic wave scattering from damage are performed using wavelet transform (WT) and…”
Get full text

Acoustic emission source location in composite structure by Voronoi construction using geodesic curve evolution by Gangadharan, R., Prasanna, G., Bhat, M. R., Murthy, C. R. L., Gopalakrishnan, S.

“…Conventional analytical/numerical methods employing triangulation technique are suitable for locating acoustic emission (AE) source in a planar structure…”
Get full text

Dual role of microcracks: toughening and degradation by Rao, G M Nagaraja, Murthy, C RL

“…One of the methods of improving the mechanical properties of ceramics is to introduce a defective structure that acts as a restraint for the propagation of…”
Get full text

Characterization of Failure Modes in CFRP Composites — An ANN Approach by Bhat, Chandrashekhar, Bhat, M.R., Murthy, C.R.L.

“…Carbon fiber reinforced polymer (CFRP) composite specimens with different thickness, geometry, and stacking sequences were subjected to fatigue spectrum…”
Get full text

Some studies on evaluation of degradation in composite adhesive joints using ultrasonic techniques by Vijaya Kumar, R.L., Bhat, M.R., Murthy, C.R.L.

“…► Oblique incidence ultrasonic inspection was carried out on CFRP-epoxy adhesive joints. ► Amplitude of reflection increased with degradation. ► A shift in the…”
Get full text

Spatial Wavelet Approach to Local Matrix Crack Detection in Composite Beams with Ply Level Material Uncertainty by Sarangapani, G., Ganguli, Ranjan, Murthy, C. R. L.

“…Wavelet coefficients based on spatial wavelets are used as damage indicators to identify the damage location as well as the size of the damage in a laminated…”
Get full text

Analysis of filler-fibre interaction in fly ash filled short fibre-epoxy composites using ultrasonic NDE by Kulkarni, S. M., Anuradha, D., Murthy, C. R. L., Kishore

“…Size and aspect ratio are believed to influence the rheology or the flow in the mixture and in turn the mechanical performance of the composites. Fillers and…”
Get full text

Hybridization of carbon–glass epoxy composites: An approach to achieve low coefficient of thermal expansion at cryogenic temperatures by Praveen, R.S., Jacob, Subhash, Murthy, C.R.L., Balachandran, P., Rao, Y.V.K.S.

“…► Achieved near zero expansion at 125K with carbon-glass hybrid composites. ►Urethane modified matrix system gave promising mechanical properties at 20K. ►…”
Get full text

Fatigue de-bond growth in adhesively bonded single lap joints by SAHOO, P K, DATTAGURU, B, MANJUNATHA, C M, MURTHY, C R L

“…The fatigue de-bond growth studies have been conducted on adhesively bonded lap joint specimens between aluminium and aluminium with Redux-319A adhesive with a…”
Get full text

Parametric Analysis of Acoustic Emission Signals for Evaluating Damage in Composites Using a PVDF Film Sensor by Bar, H N, Bhat, M R, Murthy, C R L

“…With the increased utilization of advanced composites in strategic industries, the concept of Structural Health Monitoring (SHM) with its inherent advantages…”
Get full text

Estimation of impact-induced damage in CFRP laminates through ultrasonic imaging by HOSUR, M. V, MURTHY, C. R. L, RAMAMURTHY, T. S, SHET, A

“…Ultrasonic C-scans are used frequently to detect defects in composite components caused during fabrication and damage resulting from service conditions…”
Get full text

Characteristics of AE signals obtained during drilling composite laminates by Ravishankar, S.R, Murthy, C.R.L

“…The ultimate goal towards on-line monitoring of composites drilling is in order to produce damage free high quality drilled holes. This however pertains to…”
Get full text

Evaluation of kissing bond in composite adhesive lap joints using digital image correlation: Preliminary studies by Vijaya Kumar, R.L., Bhat, M.R., Murthy, C.R.L.

“…The assembly of aerospace and automotive structures in recent years is increasingly carried out using adhesives. Adhesive joints have advantages of uniform…”
Get full text

Application of acoustic emission in drilling of composite laminates by Ravishankar, S.R, Murthy, C.R.L

“…Acoustic emission (AE) technique was used to characterise drilling of composite laminates. Uni-directional glass fibre reinforced plastic (GFRP) laminates…”
Get full text

On using peak amplitude and rise time for AE source characterization by Majeed, M. A., Murthy, C. R. L.

“…Acoustic Emission (AE) signals, which are electrical version of acoustic emissions, are usually analysed using a set of signal parameters. The major objective…”
Get full text

Experimental analysis of composite single-lap joints using digital image correlation and comparison with theoretical models by Kumar, RL Vijaya, Bhat, MR, Murthy, CRL

“…The demand for energy efficient, low weight structures has boosted the use of composite structures assembled using increased quantities of structural…”
Get full text

Analysis of composite single lap joints using numerical and experimental approach by Vijaya kumar, R.L., Bhat, M.R., Murthy, C.R.L.

“…Adhesives are widely used to execute the assembly of aerospace and automotive structures due to their ability to join dissimilar materials, reduced stress…”
Get full text

Low-velocity impact response of carbon/epoxy laminates subjected to cold–dry and cold–moist conditioning by Hosur, Mahesh V., Jain, Kunal, Chowdhury, Farhan, Jeelani, Shaik, Bhat, M.R., Murthy, C.R.L.

“…Woven carbon/epoxy laminate samples were subjected to low-velocity impact loading at energy levels of 15, 30 and 45 J. Samples were subjected to different…”
Get full text

Acoustic emission characterization of failure modes in composites with ANN by Bhat, Chandrashekhar, Bhat, M.R, Murthy, C.R.L

“…Noise suppression in acoustic emission data was attempted by developing and using artificial neural networks (ANN) and with the long-term objective of…”
Get full text