non|destructive evaluation of porosity and its effect on mechanical ...

non-destructive evaluation of porosity and its effect on mechanical ...

NON-DESTRUCTIVE EVALUATION OF POROSITY AND ITS. EFFECT ON MECHANICAL PROPERTIES OF CARBON FIBER. REINFORCED POLYMER COMPOSITE MATERIALS. M. R. Bhat1, M. P. ...

Non-destructive evaluation of porosity and its effect on mechanical ...

Primarily, ultrasonic imaging and real time digital X-ray imaging have been tried to obtain a measurable parameter which can represent or ...

Non-destructive evaluation of porosity and its effect on mechanical ...

Porosity cannot be totally avoided in this type of material; the presence of such defects beyond a certain limit can be highly detrimental to the mechanical ...

Non-destructive testing procedure for porosity determination in ...

In figure 5(a) the mechanical measured coupon thickness is plotted versus the porosity obtained by cone beam ... Effects of cure cycle pressure and voids on some ...

Analysis of the influence of L-PBF porosity on the mechanical ...

Hence, the influence of defects on performance is estimated by means of XRCT scanning and analysis of porosity features, followed by mechanical FEM modelling of ...

Nondestructive Evaluation of Thermal Barrier Coatings' Porosity ...

In this study, we proposed a novel nondestructive evaluation method for TBCs' porosity, utilizing terahertz time-domain spectroscopy (THz-TDS) and a machine ...

Effects of porosity on the mechanical properties of additively ...

The undesirable effect of pores can be eliminated by using defects-free raw materials, optimizing the processing parameters, and implementing suitable post- ...

Nondestructive evaluation of porosity in additive manufacturing by ...

Laser ultrasonic surface wave was used to characterize the porosity by the wave speed, peak frequency and wavelet packet energy. The result indicates that the ...

Mechanical Analysis through Non-Destructive Testing of Recycled ...

These findings suggest that both quasi-static and vibrational tests are suitable for characterizing the stiffness of porous asphalt mixtures due to the ...

Complementary Methods for the Assessment of the Porosity of Laser ...

According to [19], the indicated method requires continuous monitoring of the process, and also offline non-destructive evaluation by study of ...

Evaluation of porosity effects on the mechanical properties of carbon ...

The effects of porosity on the matrix-dominated mechanical properties of unidirectional carbon fiber-reinforced plastic composites were evaluated using ...

Flash Thermography to Evaluate Porosity in Carbon Fiber ... - NDT.net

Data coming from non-destructive testing with either flash thermography or ultrasonics are plotted against the porosity percentage, which was previously ...

Investigating the Impacts of Porosity on the Rock Mechanical ...

Some non-destructive tests like sonic velocity (P and S waves), porosity (η), and density (ρ) can be performed on same sample before the ...

Non-destructive testing procedure for porosity determination in ...

Porosity is an unavoidable defect in carbon fiber reinforced polymers and has noticeable effects on mechanical properties since gas filled voids weaken the ...

Reference Sample for Porosity Evaluation by Non – Destructive ...

Nowadays, porosity evaluation is a very important part of the production process in the automotive industry and engineering production. The methods used for ...

Effect of thickness and porosity on the mechanical properties of ...

These non-destructive evaluation techniques revealed the existence of defects, such as delamination. The equibiaxial flexural strength was determined by the ...

Porosity Effects on Interlaminar Fracture Behavior in Carbon Fiber ...

Nondestructive evaluation, destructive techniques and mechanical testing were conducted. Nondestructive evaluation results showed the trend in percentages of ...

Validation of microscopy measured porosity in ca… - Biblioteka Nauki

Too much of those defectscould be serious problemsto mechanical properties, which directly take effect on elements safety, like aircrafts. Therefore, the ...

WK76038 New Test Method for Additive Manufacturing of Metals

The density and porosity are critical for the mechanical strength and function of the 3D printed parts. Various non-destructive evaluation (NDE) techniques ...

Nonlinear Ultrasonic Imaging for Porosity Evaluation - PMC

The influence of porosity on the mechanical behaviour of composite laminates represents a complex problem that involves many variables.