نتایج جستجو برای: thermomechanical sources

تعداد نتایج: 292987  

2004
Tetsuya Uda Dane A. Boysen Sossina M. Haile

A thermodynamic analysis of CsHSO4 in oxygen and hydrogen atmospheres has been carried out. In an oxygen atmosphere, the phase relationship for the dehydration of CsHSO4 as a function of H2O partial pressure was established. It is concluded that CsHSO4 is stable in a humidified oxygen atmosphere, pH2O = 0.03 atm, up to 170 jC. However, in hydrogen atmospheres, it was affirmed that CsHSO4 is red...

2006
D. M. Price

The dimensional and mechanical stability of materials is of paramount importance to their use in the everyday world where they may encounter a wide variation in temperature through design or by accident. Many polymers are processed at elevated temperatures so as to enable them to flow and be more amenable to fabrication. Food items are cooked, pasteurised or otherwise heated or frozen. Ceramics...

Journal: :Nano letters 2013
Fei Yi Hai Zhu Jason C Reed Ertugrul Cubukcu

Nanoplasmonics has been an attractive area of research due to its ability to localize and manipulate freely propagating radiation on the nanometer scale for strong light-matter interactions. Meanwhile, nanomechanics has set records in the sensing of mass, force, and displacement. In this work, we report efficient coupling between infrared radiation and nanomechanical resonators through nanoante...

2002
SHANKAR KRISHNASWAMY R. C. BATRA

Motivated by Rivlin's ideas on the thermomechanics of continuous media, we state the second law of thermodynamics in two parts and apply it to study the behavior of a mixture of an elastic solid and a viscous fluid.

2013
Shri Mata Vaishno Devi Deepak Sharma Rajesh Kumar Bhushan

Friction stir welding is gaining significance in typical joining applications day by day. Modeling and simulation of FSW has been a great challenge due to the complexity of the process. We are initiating an effort to review various modeling and simulation techniques mentioned in literature and to find the future scope and possibilities of new techniques.

Journal: :Additive manufacturing 2021

Abstract The output obtained from operando X-ray diffraction experiments on Ti-6Al-4V is used to verify the accuracy of four FEM models in predicting temperature evolution solidified domain, cooling rates ? and ? phases, influence scanning vector length duration phase. Three different laser heat sources are considered: a simple ellipsoid, double cylindrical source with parabolic penetration cur...

2003
S. BAEK A. R. SRINIVASA

We investigate three classes of constraints in a thermoelastic body: (i) a deformationtemperature constraint, (ii) a deformation-entropy constraint, and (iii) a deformationenergy constraint. These constraints are obtained as limits of unconstrained thermoelastic materials and we show that constraints (ii) and (iii) are equivalent. By using a limiting procedure, we show that for the constraint (...

2002
Yung Neng Cheng Shyong Lee Yuan Huang

Anisotropically conductive film (ACF) is a smart electronic packaging material that consumes minimal space for connecting an IC chip to a liquid crystal display (LCD) panel or a printed circuit board. It consists of an adhesive resin and fine conductive fillers such as metallic particles or metal-coated polymer balls. The fillers are compressed and maintained at a certain elastic capability ena...

2005
John Speer

In hot rolled products, which are the subject of other presentations here, vanadium has been used for many years in high strength products, often in combination with other microalloying additions such as niobium or titanium. Vanadium can provide important contributions via both precipitation strengthening and ferrite grain refinement (due to austenite conditioning during thermomechanical proces...

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