Results 31 to 40 of about 204,780 (167)

Strain-rate dependence of mechanical characteristics of PLLA with different MW

Current Directions in Biomedical Engineering, 2023
Dynamic mechanical properties of polymers for biomedical applications are crucial parameters for development and engineering of new medical devices. Here, the time-dependent material behavior is a key factor for durability.
Fiedler Nicklas, Oschatz Stefan, Grabow Niels, Lebahn Kerstin   +3 more
doaj   +1 more source

Immune Optimization of Double-Sided Welding Sequence for Medium-Small Assemblies in Ships Based on Inherent Strain Method

Metals, 2022
The double-sided welding process is widely used in ship construction due to its high welding efficiency and forming quality. In order to further reduce the deformation caused by double-sided welding for medium-small assemblies in ships, the optimization ...
Yi Shen, Suodong Liu, Mingxin Yuan, Xianling Dai, Jinchun Lan   +4 more
doaj   +1 more source

Integrating Temperature History into Inherent Strain Methodology for Improved Distortion Prediction in Laser Powder Bed Fusion

Metals
Powder bed fusion–laser beam (PBF-LB) additive manufacturing enables the production of intricate, lightweight metal components aligned with Industry 4.0 and sustainable principles.
Iñaki Setien, Michele Chiumenti, Maria San Sebastian, Carlos A. Moreira, Manuel A. Caicedo   +4 more
doaj   +1 more source

A Study on Welding Deformation Prediction for Ship Blocks Using the Equivalent Strain Method Based on Inherent Strain

Applied Sciences, 2019
The welding process, which accounts for about 60% of the shipbuilding process, inevitably involves weld deformation. Considering this, productivity can be significantly increased if weld deformation can be predicted during the design phase, taking into ...
Yongtai Kim, Jaewoong Kim, Sungwook Kang
doaj   +1 more source

Study of residual stresses and distortions from the Ti6Al4V based thin-walled geometries built using LPBF process

Defence Technology, 2023
The current paper focuses on the prediction of residual stresses and distortions in the Laser Powder Bed Fusion (LPBF) built Ti6Al4V thin-walled geometries using Ansys Additive Print (AAP) software which employs a layer-by-layer accumulation of inherent ...
Jagatheeshkumar S, Raguraman M, Siva Prasad AVS, Nagesha B K, Chandrasekhar U   +4 more
doaj   +1 more source

Distortsioen aurreikuspena "Selective Laser Melting" prozesuan: "inherent strain" deformazioen kalkulurako metodologia

Materialen Zientzia eta Teknologia IV. Kongresuko lanen bilduma, 2018
“Selective Laser Melting” (SLM) fabrikazio prozesua metalen fabrikazio aditiboaren (FA) aldaeretako bat da, zeinean piezak geruzaz geruza eraikitzen baitira. Energia-iturri kontzentratu bat (laserra edo elektroi-sorta) aplikatzen zaio hauts-materialari, zeina oso azkar berotzen baita haren urtze-tenperaturara iritsi arte; gero, solidotzen eta hozten ...
Setien, Iñaki, Sebastian, Maria San, Fermin Garciandia, Echeverría, Alberto   +3 more
openaire   +1 more source

Free vibration and inherent material damping characteristics of boron-FRP plate: influence of non-uniform uniaxial edge loads

International Journal for Simulation and Multidisciplinary Design Optimization, 2021
The current investigation presents the analytical investigation on free vibration and inherent material damping of boron-FRP plate, subjected to non-uniform uniaxial edge loads.
Gunasekaran Vijay, Pitchaimani Jeyaraj, Mailan Chinnapandi Lenin Babu   +2 more
doaj   +1 more source

Simplified welding distortion analysis for fillet welding using composite shell elements

International Journal of Naval Architecture and Ocean Engineering, 2015
This paper presents the simplified welding distortion analysis method to predict the welding deformation of both plate and stiffener in fillet welds. Currently, the methods based on equivalent thermal strain like Strain as Direct Boundary (SDB) has been ...
Mingyu Kim, Minseok Kang, Hyun Chung
doaj   +1 more source

A Multipath Process-Based Inherent Strain Method for Prediction of Deformation of Hull Plate for Integrated Heating and Mechanical Rolling Forming Process

Journal of Marine Science and Engineering
Integrated heating and mechanical rolling forming (IHMRF) has recently been introduced for manufacturing complex curvature hull plates. It fabricates the target curved plate by sequential loading along the multipath.
Zhenshuai Wei, Yao Zhao, Hua Yuan, Lichun Chang   +3 more
doaj   +1 more source

Thermal distortion analysis method for TMCP steel structures using shell element

International Journal of Naval Architecture and Ocean Engineering, 2009
As ships become larger, thicker and higher tensile steel plate are used in shipyard. Though special chemical compositions are required for high-tensile steels, recently they are made by the TMCP (Thermo-Mechanical control process) methodology.
Yunsok Ha, S.R. Rajesh
doaj   +1 more source