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Thursday, May 14, 2020 | History

2 edition of Fatigue of load-carrying fillet welded joints under multiaxial loading found in the catalog.

Fatigue of load-carrying fillet welded joints under multiaxial loading

G. R. Razmjoo

Fatigue of load-carrying fillet welded joints under multiaxial loading

by G. R. Razmjoo

  • 178 Want to read
  • 25 Currently reading

Published by TWI in Cambridge .
Written in English


Edition Notes

Statementby G. R. Razmjoo.
Series572/1996
ID Numbers
Open LibraryOL16528860M

Assessment of stress intensity factors for load-carrying fillet welded cruciform joints using a digital camera region of the joint may act like a crack tip to initiate crack under fatigue loadings. crack tip with a digital camera was applied in this study to calculate the stress intensity factors for . Two types of load carrying fillet weldment, which are typical weld joints in ship structures, were examined under out-of-plane bending load by using structural stress approach. Finite element analyses using both solid and shell elements models have been performed for the assessment of fatigue strength. Basis for the derivation of structural stress method is discussed in : Myung Hyun Kim, Sung Won Kang, Chung In Ha, Jae Myung Lee, Jeong Hwan Kim, Sung Soo Na.

  Razmjoo GR () Fatigue of load-carrying fillet-welded joints under multiaxial loadings. TWI Ref /96/, Cambridge Google Scholar Rice JR () A path-independent integral and the approximate analysis of strain concentration by notches and : Dieter Radaj. The fatigue behavior of load-carrying cruciform fillet welded joints has been studied extensively using the dual boundary element method. This method, which incorporates two independent boundary integral equations, uses the displacement equation to model one of the crack boundaries and the traction equation to model the by: 8.

fatigue strength of fillet welded joints with undercuts The influence of weld undercuts and bead flank angles on fatigue strength were experimentally investigated, using fillet welded joints. Non-load-carrying cruciform and tee fillet joints were tested and the life reduction due to undercut was obtained.   This paper comprises a brief methodical analysis and practical application of both the stress averaging approach according to Neuber and the critical distance approach according to Taylor for a fatigue assessment on welded steel structures under axial loading. The stress averaging approach, as established theoretically by Neuber, is discussed and compared to the effective notch stress approach Cited by:


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Fatigue of load-carrying fillet welded joints under multiaxial loading by G. R. Razmjoo Download PDF EPUB FB2

Fatigue of load-carrying fillet welded joints under multiaxial loading [pdf / MB] Member Report / TWI Industrial Member Report Summary / G R Razmjoo.

A fatigue analysis on experimentally tested transverse fillet-welded non-load-carrying T- and X-joints made of S and S ultra-high-strength steel was carried out in the present study.

Fatigue of Steel Weldments as-welded Transverse non-load-carrying fillet welds Longitudinal non-load-carrying fillet Fig. 4 — Fatigue strength of butt welded joints as a function of the angle between the weld reinforcement and the base plate,7 axial loading, File Size: 1MB.

G R Razmjoo (). Fatigue of load carrying fillet welded joints under multiaxial loading. In: E. Macha, W. Bedkowski and T. Lagoda, Multiaxial Fatigue and Fracture, ESIS Publication T Seeger and R Olivier (). Ertragbare und zulässiger Schubspannungen schwingbeanspruchter Schweissverhindungen.

Stahlbau, 1. INTRODUCTION. The majority of fatigue tests on welded joints have been conducted on simple plate specimens under uniaxial loading.

A statistical analysis of such results for steel joints conducted in 3 led to the development of TWI’s fatigue design curves which are now incorporated in many codes and standards, including design codes for bridges 1, pressure vessels 2 and offshore Cited by: 1.

The stress magnification effect of angular misalignment at butt welds; Stress interaction effects in fatigue – a compendium of experimental findings; Fatigue of load-carrying fillet welded joints under multiaxial loading; Treatment of low stresses when applying Miner’s rule in the fatigue design of welded aluminium alloys; A stress intensity factor solution for root defects in fillet and Book Edition: 1.

Fatigue tests were performed on load-carrying fillet-welded cruciform joints inclined at an angle of 0, 15, 30, and 45° to a uniaxial cyclic loading.

The effects of the inclination angle on the fatigue crack propagation behaviour and the fatigue life of the joints were by: 8. Fatigue assessment of welded joints under slit-parallel loading based on strain energy density or notch rounding Article in International Journal of Fatigue 31(10) October with.

The main focus is on fillet or partial penetration welds in cruciform, T, or lap joints under transverse loading failing by fatigue crack growth across the weld throat under normal stresses.

The review covers the influence of residual stress, applied mean stress, joint fit-up and alignment, weld quality, the use of coated steel, the need for a Cited by: Even fillet welds that carry no load reduce fatigue strength due totneireffect on the profile and stress concentration ofthe load carrying part r-~ Load carrying fillet weldsConcave filetNon-loadcarrying welds '.

J (e 18 P 22File Size: KB. Fatigue Capacity of Load Carrying Fillet-Welded Connections Subjected to Axial and Shear Loading J. Offshore Mech. Arct. Eng (November, ) The Influence of Mechanical and Laser Cutting on the Fatigue Strengths of Square Hollow-Section Welded T-JointsCited by: The fatigue strength of non‐load‐carrying fillet welded joints of KE36(TMCP) steel was studied.

Both residual stress measurements and fatigue tests were carried out, with the plate thickness, the plate width and the heat input being varied. Specimens given a Post Cited by: 7. of load carrying welded joints in different weld metal strength mismatch conditions and various penetration ratios. Static and fatigue strength calculations have been made using FEA and experimentation.

The joint in the Telescopic beam of the spreader. types of joints of the load carrying welded shear. Tests of fatigue have been carried out on the two solutions specific design features proposed and with the aim of improving the resistance to tiredness of the joints.

By hiring the 3D models, was determined Stem Density Energy (SED), in a volume of. Abstract In this paper, local approaches are employed to analyse stress distributions, local fatigue indicators of weld toe, and weld root in load‐carrying cruciform welded joints (LCWJs).

An exten Cited by: 2. Matsumoto, M, Anami, K & Yoshikawa, EFatigue evaluation of load carrying cruciform welded joint subjected to axial loading and out-of-plane bending.

in Real Structures: Bridges and Tall Buildings - Proceedings of the 10th East Asia-Pacific Conference on Structural Engineering and Construction, EASEC Real Structures: Bridges and Tall Buildings - Proceedings of the 10th East Asia Author: Masato Matsumoto, Kengo Anami, Eri Yoshikawa.

Based on the review of fatigue assessment methods of welded details in steel structures, the following conclusions can be drawn: (i) Fatigue of welded details is still an insufficiently researched phenomenon which is under the influence of many parameters such as load, geometry, material quality, production process, and environmental effect.

Fatigue failure is probably the most common type of failure in welded construction. It is usually initiates at a stress concentration area within the structure. The fatigue behavior of non-load carrying cruciform fillet welded joint has been studied extensively using boundary element method.

The symmetric boundary element method for multiple cracks problem is derived using Betti's reciprocal Cited by: 1. The fatigue behaviour of welded joints subjected to axial loading has been investigated extensively in the past. Such data form the basis of the fatigue design rules in BS (1).

However, welded joints loaded in bending have received surprisingly little attention. The purpose of this paper is to make clear the influence of yield stress on the fatigue strength of non-load-carrying fillet welded joints. First of all, brief descriptions about relations between the actual maximum stress considering weld residual stress and the stress range are given, and the combined effect of stress ratio and residual stress is by: 6.

In order to investigate the fatigue properties of the fillet welded joint for non-load carrying type using hot-wire laser welding process, fatigue tests were carried out in comparison with the fillet welded joint using CO 2 arc welding process to be widely used as a conventional welding method.

Furthermore, the welding method to achieve the hot-wire laser welded joints with superior fatigue.Table 1 Extracted experimental fatigue data series.

K t is determined according to the IIW recommendations for fatigue assessment using the notch stress approach [2]. ID Ref S y (MPa) t (mm) K t R Loading Process T-joints Haa1 [12] 20 Bending SAW Bud1 [16] – 16 – Bending SAW.corrosion fatigue testing of welded tubular T-joints.

Welded T-plates were tested under four point bending to assess the effect of plate thickness, weld geometry, and sea water temperature. The increase in plate thickness from 16 mm to WJll.

reduced the fatigue endurance by 62% with a .