Study on thermal stress distribution of repair welding process for gasification furnace flange

Repair by welding is widely used in the shipbuilding industry during ship construction. The effect of the residual stress distribution induced by the welding process on the ship structure is important for the repair effectiveness. This article presents an experimental study of the residual stress distribution induced by repair welding in the plates that are typically used in ships and offshore structures. Different repair techniques are evaluated to identify the best practice associated with residual stress values. Recommendations for repair welding are discussed, and modifications to the present practice are proposed.

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Analyzing Thermal Stress Distribution in Metallic Components Using Digital Holography

Springer Proceedings in Physics - Progress in Optomechatronics ◽

10.1007/978-981-15-6467-3_7 ◽

2020 ◽

pp. 53-64

Author(s):

Gaurav Dwivedi ◽

Raj Kumar

Keyword(s):

Thermal Stress ◽

Stress Distribution ◽

Digital Holography ◽

Thermal Stress Distribution

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Surface thermal stress distribution and the influence factors of Sapphire/AlN/GaN epilayers

Infrared and Laser Engineering ◽

10.3788/irla201645.1021001 ◽

2016 ◽

Vol 45 (10) ◽

pp. 1021001

Author(s):

陈靖 Chen Jing ◽

程宏昌 Cheng Hongchang ◽

吴玲玲 Wu Lingling ◽

冯刘 Feng Liu ◽

苗壮 Miao Zhuang

Keyword(s):

Thermal Stress ◽

Stress Distribution ◽

Influence Factors ◽

Thermal Stress Distribution

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The Numerical Modeling of Thermal Stress Distribution in Thermal Barrier Coatings

Archives of Metallurgy and Materials ◽

10.1515/amm-2017-0221 ◽

2017 ◽

Vol 62 (3) ◽

pp. 1433-1437

Author(s):

A. Jasik

Keyword(s):

Thermal Stress ◽

Stress Distribution ◽

Thermal Barrier Coatings ◽

Bond Coat ◽

Thermal Spraying ◽

Ceramic Coatings ◽

Thermal Barrier ◽

Insulation Layer ◽

Barrier Coatings ◽

Thermal Stress Distribution

Abstract The paper presents the results of numerical calculations of temperature and thermal stress distribution in thermal barrier coatings deposited by thermal spraying process on the nickel based superalloy. An assumption was made to apply conventional zirconium oxide modified with yttrium oxide (8YSZ) and apply pyrochlore type material with formula La2Zr2O7. The bond coat was made of NiCoCrAlY. Analysis of the distribution of temperature and stresses in ceramic coatings of different thicknesses was performed in the function of bond-coat thickness and the type of ceramic insulation layer. It was revealed that the thickness of NiCrAlY bond-coat has not significant influence on the stress distribution, but there is relatively strong effect on temperature level. The most important factor influenced on stress distribution in TBC system is related with type and properties of ceramic insulation layer.

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Evaluation of Thermal Stress Distribution With Elasticoluminescent Materials

Volume 1: Plant Operations, Maintenance, Engineering, Modifications, Life Cycle, and Balance of Plant; Component Reliability and Materials Issues; Steam Generator Technology Applications and Innovatio ◽

10.1115/icone20-power2012-54360 ◽

2012 ◽

Author(s):

Wei Liu ◽

Taku Nagatake ◽

Kazuyuki Takase ◽

C. X. Wu ◽

Daisuke Ono ◽

...

Keyword(s):

Thermal Stress ◽

Stress Distribution ◽

Thermal Stress Distribution

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Simulation and Analysis of the Thermal Stress in Concrete under Temperature Fluctuation Condition

Advanced Materials Research ◽

10.4028/www.scientific.net/amr.168-170.1957 ◽

2010 ◽

Vol 168-170 ◽

pp. 1957-1960

Author(s):

Ya Ding Zhao ◽

Xue Ying Li ◽

Hong Yang Liu

Keyword(s):

Temperature Field ◽

Thermal Stress ◽

Elastic Modulus ◽

Stress Distribution ◽

Thermal Gradient ◽

Structural Dimension ◽

Temperature Field Distribution ◽

Air Content ◽

Thermal Stress Distribution ◽

The Relationship

The temperature field distribution and thermal stress distribution in concrete has been studied by finite elements method to establish the relationship between the thermal stress and the temperature in this paper. The results show that the maximum thermal gradient and the maximum thermal stress in the concrete appears on the direction of greater structural dimension, and the thermal stress value is positively correlated with thermal gradient or saying temperature difference and elastic modulus, and is negatively correlated with the water content and air content.

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