نتایج جستجو برای: compressive stress

تعداد نتایج: 458295  

2014
O. Takakuwa Y. Mano H. Soyama

This paper reveals the interaction between hydrogen and surface stress in austenitic stainless steel by X-ray diffraction stress measurement and thermal desorption analysis before and after being charged with hydrogen. The surface residual stress was varied by surface finishing using several disc polishing agents. The obtained results show that the residual stress near surface had a significant...

Journal: :Sensors and Actuators A-physical 2021

In this work, the effect of compressive surface stress on thin film membrane fracture was studied by bulge test. order to create membranes with residual at surface, low-pressure chemical vapor deposition (LPCVD) Si3N4 were coated a 1−8 nm SiNx adlayer or subjected Ar-ion bombardment. Fracture strength analysis, done using finite element method and Weibull distribution, microscope inspection fai...

Journal: :Cryobiology 1996
Y Rabin P S Steif M J Taylor T B Julian N Wolmark

An experimental study of the mechanical response of frozen soft biological tissues to applied compressive stresses is presented. This study is related to the mechanical stresses that develop due to the contraction of frozen tissues in cryopreservation as well as in cryosurgical procedures. The main concept in this study is that the stresses associated with the constrained contraction of the fro...

Journal: :DNA and cell biology 2011
Jiapei Wu Yu Li Xiaofeng Fan Chaoliang Zhang Yu Wang Zhihe Zhao

Cyclic compressive force is an important mechanical stimulus on periodontal ligament (PDL). The differential expression of genes in PDL cells is thought to be involved in the remodeling of periodontal tissues subjected to mechanical stress. However, little is known about differentially expressed genes in PDL cells under cyclic compressive force. In our study, human PDL cells were subjected to 4...

2002
S. E. Rodil J. Robertson W. I. Milne

The role of compressive stress in producing sp bonding in diamond-like carbon is of interest both technologically and 3 scientifically. Stress limits the maximum thickness of adherent films, and it is desired to produce much thicker films for protective coatings and for making micro-electromechanical systems. Stress is important theoretically, because it is often linked to the deposition proces...

Journal: :Proceedings of the Japan Society of Civil Engineers 1971

2003
R. Vaidyanathan M. A. M. Bourke D. C. Dunand

Superelastic NiTi and NiTi-TiC composites were subjected to static uniaxial compressive loading while neutron diffraction spectra were simultaneously acquired. A methodology was established to obtain quantitative strain, texture and phase volume fraction information during the forward and reverse stress-induced martensitic transformation. Despite the presence of 10 vol. % of stiff TiC particles...

2015
Seyed Mohammad Ahmadi Saber Amin Yavari Ruebn Wauthle Behdad Pouran Jan Schrooten Harrie Weinans Amir A. Zadpoor

It is known that the mechanical properties of bone-mimicking porous biomaterials are a function of the morphological properties of the porous structure, including the configuration and size of the repeating unit cell from which they are made. However, the literature on this topic is limited, primarily because of the challenge in fabricating porous biomaterials with arbitrarily complex morpholog...

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