key words: Parchment ageing, shrinkage temperature, thermal diffusivity, thermography The structure of the parchment and its preservation state have been studied by means of novel methods based on the analysis of the heat diffusion and the shrinkage activity. Investigations have been performed on modern, inked and non-inked, parchment artificially aged in different conditions, as well as on mod...

In this paper, a new bivariate shrinkage denoising method is proposed to model statistics of shearlet coefficients of images. Using Bayesian estimation theory we derive from this model a simple non-linear shrinkage function for shearlet denoising, which generalizes the soft threshold approach. Experimental results show that the proposed method can remove Gaussian white noise while effectively p...

Anisotropy caused by flow-induced fiber orientation of discontinuous fibers within the extrudate in Extrusion Deposition Additive Manufacturing (EDAM) process gives rise to anisotropic shrinkage printed parts and thereby, final part deformations. Three states, described second-order tensor, were investigated determine their influence upon geometry. Two material systems including a short glass f...

A new image analysis procedure for quantifying microcracks from three-dimensional (3D) X-ray microCT images of concrete is presented. The method separates air voids and aggregates by combining filtering morphological operations. It was applied to study the effects supplementary cementitious materials (SCMs) curing age on autogenous shrinkage-induced in low w/b ratio concretes, determine represe...

Hot rolling is an essential process for the shape-forming of bearing steel. It plays a significant role in formation and distribution flow lines. In this work, effect lines investigated by analyzing microstructure mechanical anisotropy hot-rolled was found that carbides rich with Cr Mn elements are distributed unevenly along flow-line direction Moreover, characterization indicates ultimate tens...

naturally occurred soil deposits inherit heterogeneity and anisotropy in their strength properties. the main purpose of this paper is to model the soil stratum with anisotropy consideration and spatially varying undrained shear strength by using random field theory coupled with finite difference numerical analysis to evaluate their effect on the bearing capacity of the shallow foundations. in t...

Juvenile wood is associated with shrinkage and a high probability of warping checks in end products, reducing their value even causing them to be rejected for structural purposes. This work studies the variations yearly caused when passes from green dry state. The methodology proposed based on juvenile (JW) location using annual variations. Pinus nigra Arn. grown different silviculture techniqu...

The early age shrinkage is responsible for the early age cracking of concrete. It is very critical for durability of concrete. The change in volume of concrete due to evaporation of water or dehydration process is known as shrinkage. To reduce the early age shrinkage utilized the supplementary cementitious material (SCM) in concrete. In present research industrial and agricultural waste byprodu...