Effect of joint clearance on fatigue strength of brazed joint.

Sasabe, Ken

doi:10.2207/qjjws.7.264

Cited by 3 publications

(3 citation statements)

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“…Besides the geometry of the brazed seam, the shear strength of the filler is decisive for the fatigue strength [18]. The effects of the gap width and of bonding defects on the fatigue strength and crack propagation are described in [19]. In the few investigations conducted to date, fatigue strength tests were usually performed only on random samples and were intended mostly for the comparison of joining processes.…”

Section: Proeess Developmentmentioning

confidence: 99%

Manufacturing and Fatigue Strength of Brazed, Locally Hardened Structures

Schram

Masendorf

Medhurst

et al. 2008

steel research international

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The advantages of low‐heat joining, such as low distortion and no appreciable influence on the local material properties as a result of the low heat input, should be utilized for improving the reliability of processes for the manufacture of high‐strength structures. For this purpose, the mutual interactions among the parameters of the joining process, the brazing‐seam geometry, the brazing filler, the type of stress, and the fatigue strength, especially for arc‐brazed structures, are the subject of investigations for estimating the lifetime of locally hardened components by computational methods in the future. Fatigue life tests of brazed specimens show a significant increase of fatigue life compared to laser‐welded specimens. A further increase of fatigue life is expected by optimizing the geometry of the seam.

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Section: Proeess Developmentmentioning

confidence: 99%

Manufacturing and Fatigue Strength of Brazed, Locally Hardened Structures

Schram

Masendorf

Medhurst

et al. 2008

steel research international

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“…Next to the geometry of the seam the shear strength of the solder influences the fatigue behaviour [20]. The influence of seam gap and joining faults on the fatigue life and crack propagation are described in previous research [21]. The few existing research results only use fatigue life test for comparisons of joining processes and were undertaken sporadically.…”

Section: Creation Of High-strength Structures and Joints By Setting U...mentioning

confidence: 99%

Low Heat Joining – Manufacture and Fatigue of Soldered Locally Strengthened Structures

Esderts

Wesling

Masendorf

et al. 2007

AMR

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The advantages of low heat joining techniques, such as low distortion and little influence on the local material properties due to the low introduced amount of heat, shall be made usable for the manufacture of high strength structures by increasing the process reliability. The dependency between the parameters of the joining process, the seam geometry, the type of solder, the load type und the fatigue life especially of soldered structure with local strengthening shall be examined to allow a calculative estimation of the part’s life.

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“…In many publications, the fatigue strength of brazed specimens has been investigated. In these publications, mostly ground joints were used in order to identify the influence of brazing conditions like brazing temperature and brazing time [24], the influence of a post-braze heat treatment [7,22], the influence of defects [9,15,19], or the influence of corrosive environment [16] on the fatigue strength. Only a small fraction of the publication shows the results of fatigue investigations on specimens in as-brazed conditions [8,14] in which the macro-geometrical shape of the fillet is addressed in addition to the abovementioned influences on the fatigue strength.…”

Section: Introductionmentioning

confidence: 99%

Fatigue of brazed joints made of X5CrNi18-10 and Cu110 and derivation of reliable assessment approaches

et al. 2020

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Brazing in a continuous belt furnace is a quite cost-effective way of joining components consisting of many individual parts. It is extensively used in many industrial sectors like the automotive or in the energy industry. Even though many components are cyclically loaded during service up to now, no approaches to assess the lifetime under in-service loads are available. In order to assess the fatigue strength of brazed joints, three different specimen types have been investigated: peel and shear as well as a component-like specimens. The specimens were characterized and tested under load control using constant and variable amplitudes. Subsequently, the fatigue life of these joints was assessed by linear-elastic notch stresses. A reference S-N curve and characteristic damage sums were derived that enable to perform a reliable fatigue assessment. Further parameters which seem to have a strong influence on the fatigue life, the surface topology, and the overall quality of the braze were identified. Their influence is discussed.

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Effect of joint clearance on fatigue strength of brazed joint.

Cited by 3 publications

References 0 publications

Manufacturing and Fatigue Strength of Brazed, Locally Hardened Structures

Manufacturing and Fatigue Strength of Brazed, Locally Hardened Structures

Low Heat Joining – Manufacture and Fatigue of Soldered Locally Strengthened Structures

Fatigue of brazed joints made of X5CrNi18-10 and Cu110 and derivation of reliable assessment approaches

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