Study of High Temperature Crack Initiation in Single Crystal


Because of their excellent high temperature characteristics, Ni-based single-crystal alloys are used in applications where operating temperatures exceed 900ºC. The initiation of cracks under these conditions is generally associated with micro-scale porosities (typically between 10 and 20 microns). A rate-dependent crystallographic constitutive model in conjunction with a mass diffusion model has been used to study crack initiation in single crystal nickel-base superalloys ....etc

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Abstract

A response surface model of the luminous flame emissivity of sodium pool fire has been proposed for use in safety analysis computer codes of a liquid metal fast reactor. The liquid sodium burns in air resulting in not only heat generation but also release of sodium oxide aerosols of sub-micron diameters. Aerosols levitating in air are radiative and they influence the allocation of combustion heat from the flame to atmospheric gas or sodium pool. The emissivity of the flame needs to be quantified, as it is one of user-specified param ....etc

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ABSTRACT
We present empirical evidence to demonstrate that there is little or no difference between the Java Virtual Machine and the .NET Common Language Runtime, as regards the compilation and execution of object-oriented programs. Then we give details of a case study that proves the superiority of the Common Language Runtime as a target for imperative programming language compilers (in particular GCC).
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Case Study - Difficult to make my customers smile

Introduction

It is an established fact that attracting new customer is multiple timers difficult than retaining the existing ones. Equally valid is the statement- making every customer smile all the while and converting every customer to be brand loyal ones, is not a cakewalk. Computers, electronic goods and home appliances market is characterized by the existence of multiple brands. Besides, there are very few significant brand differences whi ....etc

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presented by:
PAVAN S


The company chosen by me for organization study and project is South India Paper mill.This report has two parts. The first part consists of Organizational Study of South India Paper mill and second part consists study on “Absenteeism of workmen in South India Paper mill”. This internship report is an effort of mine for the fulfillment of the same. I
have opted South India Paper mill, Nanjangud for my internship. Reason for selecting this
organization is to know more about the Strategy, Stru ....etc

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Because of their excellent high temperature characteristics, Ni-based single-crystal alloys are used in applications where operating temperatures exceed 900ºC. The initiation of cracks under these conditions is generally associated with micro-scale porosities (typically between 10 and 20 microns). A rate-dependent crystallographic constitutive model in conjunction with a mass diffusion model has been used to study crack initiation in single crystal nickel-base superalloys, exposed to an oxidizing environment and subjected to ....etc

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