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International Hydrogen Conference (IHC 2016): Materials Performance in Hydrogen Environments

ASME Press Select Proceedings

International Hydrogen Conference (IHC 2016): Materials Performance in Hydrogen Environments

Editor

ISBN:

9780791861387

No. of Pages:

800

DOI:

https://doi.org/10.1115/1.861387

Publisher:

ASME Press

Publication date:

2017

eBook Chapter

Effect of Baking on Aerospace Grade Electroplated Zn and Cd Coating on High Strength Steel Substrates – a Correlative Study of Mechanical Strength with Hydrogen Content

By

P. Behera

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,

K. R. Sriraman

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,

S. Brahimi

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,

R. R. Chromik

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,

S. Yue

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Doi:

https://doi.org/10.1115/1.861387_ch14

Page Count:

9

Published:

2017

Regulation on Cd coating and large electrode potential difference between Zn and steel has led to development of new sacrificial coating like Zn-Ni, Zn-Fe, Zn-Al, Zn-Co coatings. To evaluate these potential new coatings for hydrogen embrittlement of substrate after plating and its removal by baking, a baseline of mechanical properties with Cd and Zn coating must be defined. Incremental step load testing (ISL) coupled with Thermal Desorption Spectroscopy (TDS) is used to correlate average fracture load with the hydrogen content in the notch bar. Standard F1940 and F519 1e high strength steel notch bars are used to study the effect of baking, acid pickling and notch root radius on average fracture load.

Introduction

Expermental Methodology

Results and Discussion

Conclusions

Future Work

Acknowledgements

References

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