Effect of the galvanization process on the fatigue life of high strength steel compression springs-Reference-Cited by-同舟云学术

Effect of the galvanization process on the fatigue life of high strength steel compression springs

Published:2021-03-01 Issue:3 Volume:63 Page:226-230
ISSN:2195-8572
Container-title:Materials Testing
language:en
Short-container-title:

Author:

Özen Fatih¹,İlhan Ahmet²,Sezan Hakkı Taner²,İlhan Erdinç²,Aslanlar Salim²

Affiliation:

1. Batman , Turkey

2. Sakarya , Turkey

Abstract

Abstract In this study, a compression spring fatigue problem arising from the galvanization process was investigated. Fatigue, crack initiation and growth of galvanized and non-galvanized springs manufactured from fully pearlitic high strength steel wires were investigated. According to the results, the galvanized compression springs exhibited a low fatigue life due to hydrogen embrittlement. Hydrogen embrittlement induced crack initiations formed under the galvanizing layer and adversely affect fatigue life. It was observed that local embrittlement on the outer surface of the spring wire causes crack initiations and disperses through the pearlitic interlamellar microstructure. Compared to non-galvanized and shot-peened specimens with the same surface roughness, compression springs, galvanized compression springs exhibited a 25 % reaction force loss at 50 000 cycles.

Publisher

Walter de Gruyter GmbH

Subject

Mechanical Engineering,Mechanics of Materials,General Materials Science

Link

https://www.degruyter.com/document/doi/10.1515/mt-2020-0032/pdf

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