The Fractography Analysis of IN 718 Alloy after Fatigue Test

Juraj Belan

doi:10.4028/www.scientific.net/KEM.635.9

Paper Titles

Preface and Committees

Changes of Mechanical Properties of AlSi7Mg0.3 Cast Alloy through Filtration
p.1

Fatigue Properties of Synthetic Nodular Cast Irons
p.5

The Fractography Analysis of IN 718 Alloy after Fatigue Test
p.9

The Modified AlSi7Mg0.3 Cast Alloy Mechanical Properties Changes at Different Testing Temperatures
p.13

The Influence of Severe Plastic Deformation on Structure and Mechanical Properties the Aluminium Alloy EN AW 6082
p.18

A Study on Sloshing Frequencies of Liquid-Tank System
p.22

Analysis of New Generation Material Solutions of Lower Structure for Energy Efficient Buildings
p.26

The Parameters Affecting Strength Calculation of Gears
p.30

HomeKey Engineering MaterialsKey Engineering Materials Vol. 635The Fractography Analysis of IN 718 Alloy after...

The Fractography Analysis of IN 718 Alloy after Fatigue Test

Abstract:

The Inconel’s alloy IN 718 has been developed by International Nickel Company in early 50-ties of 20^th century. It is high-strength; corrosion-resistant nickel chromium material used at temperature range from-250°C up to 705°C. In this study, the high cycle fatigue (HCF) and very high cycle fatigue (VHCF) properties of IN718 superalloy with given chemical composition were investigated under push-pull high frequency fatigue test at room temperature. A S – N curve was obtained after testing. With the help of scanning electron microscope (SEM), fractography analyses were performed to disclose the fracture features of specimens in different life ranges.

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Periodical:

Key Engineering Materials (Volume 635)

Pages:

9-12

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.635.9

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Online since:

December 2014

Authors:

Juraj Belan*

Keywords:

Fatigue Crack Initiation, Fatigue Crack Propagation, High Frequency Fatigue Loading, IN 718 Alloy, SEM Observing, S-N Curve

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