Zum Einfluss von Abkühlverlauf und Tauchdauer auf die Haftfestigkeit und das Bruchverhalten von Zinküberzügen nach DIN EN ISO 1461

Katzung, W.; Rittig, R.; Schubert, P.; Schulz, W.‐D.

doi:10.1002/1521-4052(200105)32:5<483::aid-mawe483>3.0.co;2-g

Cited by 2 publications

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“…Systematic investigations by Katzung [11] using an adapted stamp pull-off test based on DIN EN ISO 4624 [12] show that the values achieved depend very strongly on the characteristics of the Zn-Fe phases. However, with values between ≈13 and ≈25 MPa for classic Regarding the behavior of HDG coatings when subjected to mechanical stress, their microstructure and adhesion are of particular importance.…”

Section: Phasementioning

confidence: 99%

“…Systematic investigations by Katzung [11] using an adapted stamp pull-off test based on DIN EN ISO 4624 [12] show that the values achieved depend very strongly on the characteristics of the Zn-Fe phases. However, with values between ≈13 and ≈25 MPa for classic zinc melts, the results they achieved are considerably higher than those obtained with organic coatings or thermal-sprayed zinc coatings, for example.…”

Section: Phasementioning

confidence: 99%

“…Although this characteristic is widely known and appreciated in practice, suitable test methods have not been established or are not very specific, and studies to quantify the specific properties are rare. Accordingly, statements on the specific, scientifically substantiated properties of HDG coatings under various types of mechanical loads remain vague [6,[9][10][11].…”

Section: Introductionmentioning

confidence: 99%

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Abrasive Wear Behavior of Batch Hot-Dip Galvanized Coatings

Pinger,

Brand,

Grothe

et al. 2024

Materials

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In recent decades, batch hot-dip galvanized (HDG) steel has proven itself in practical applications due to the good corrosion resistance of its components. Despite the importance of the mechanical-load-bearing capacity of these coatings, the wear behavior has, so far, only been investigated very sporadically and not systematically, so a quantification of the wear behavior and statements on the mechanisms are vague. Therefore, two body wear tests with bonded abrasive grain were carried out. Varying the friction rolls, load, and total number of cycles, the wear behavior was investigated. The mass loss and the layer thickness reduction were measured at different intervals. After the test, the microstructure in the cross-section and the hardness according to Vickers (0.01 HV) were evaluated. The results showed that the wear behavior of HDG coatings against abrasive loads can be characterized with the selected test conditions. Initially, the applied load removed the soft η-phase. As the total number of cycles increases, the η- and ζ-phases deform plastically, resulting in a lower mass reduction compared to that expected from the measured layer thickness. The characteristic structure of a batch HDG coating with hard intermetallic Zn-Fe phases and an outer pure zinc phase has demonstrated effective resistance to abrasion.

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Section: Phasementioning

confidence: 99%

“…Systematic investigations by Katzung [11] using an adapted stamp pull-off test based on DIN EN ISO 4624 [12] show that the values achieved depend very strongly on the characteristics of the Zn-Fe phases. However, with values between ≈13 and ≈25 MPa for classic zinc melts, the results they achieved are considerably higher than those obtained with organic coatings or thermal-sprayed zinc coatings, for example.…”

Section: Phasementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Abrasive Wear Behavior of Batch Hot-Dip Galvanized Coatings

Pinger,

Brand,

Grothe

et al. 2024

Materials

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Studies on the potential risk of liquid metal assisted cracking (LMAC) in normal‐temperature and high‐temperature hot‐dip galvanizing of high strength bolts of dimensions greater M24

Bozorgian

Adelmann

Beyer

et al. 2015

Materialwissenschaft Werkst

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Liquid metal assisted cracking (LMAC) mainly occurs due to an unfavorable interaction of three factors: a susceptible material condition, presence of a liquid metal and sufficient tensile stress. Hot‐dip galvanizing of high‐strength bolts induces high thermal loads in bolts made of tempered steel in the presence of a zinc melt and thus, provides the boundary conditions for the above mentioned critical factors to interact. The focus of this study is on investigating thermally‐induced stresses in large diameter bolts and their impact on the formation of liquid metal assisted cracking (LMAC). In order to calculate the thermal loads in hot‐dip galvanizing, simulations were carried out regarding the thermo‐mechanical behavior of bolts during the hot‐dip galvanizing process. The simulations illustrate that cracks are most likely to occur in the first thread turn. This prediction is confirmed by experimental observations.

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Zum Einfluss von Abkühlverlauf und Tauchdauer auf die Haftfestigkeit und das Bruchverhalten von Zinküberzügen nach DIN EN ISO 1461

Cited by 2 publications

References 0 publications

Abrasive Wear Behavior of Batch Hot-Dip Galvanized Coatings

Abrasive Wear Behavior of Batch Hot-Dip Galvanized Coatings

Studies on the potential risk of liquid metal assisted cracking (LMAC) in normal‐temperature and high‐temperature hot‐dip galvanizing of high strength bolts of dimensions greater M24

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