Conference SENATIK STT Adisutjipto Yogyakarta
Vol 4 (2018): Transformasi Teknologi untuk Mendukung Ketahanan Nasional [ ISBN 978-602-52742-0-6 ]

Study on the Effect of Post Weld Heat Treatment (PWHT) Time on the Tensile Strength and Hardness of TIG Weld Joint of Motorcycle Crankcase

Nugroho, Fajar (Unknown)

Article Info

Publish Date
28 Nov 2018

Abstract

Postweld heat treatment (PWHT) is a common practice among building codes to reduce the residual stress, improve the ductility, and decrease the defects. This article describes the welding joint property of motorcycle crankcase material by taking tungsten inert gas (TIG) welding measures before PWHT on 200°C with holding time of 0,4,6, 8 hours. Test data were analyzed in relation to tensile strength, hardness and microstructure on the welding joint. The regions corresponding to the base metal (BM) and heat-affected zone (HAZ) were studied. The effect of holding time under PWHT on properties of joints can be investigated. The results demonstrated that micro-hardness in the weld and tensile strength decreased with PWHT time prolonging, while tensile strength increased with the extension of PWHT time. The microstructure before PWHT was coarse in the joint. With the extension of holding time under PWHT, the structure obtains fine grain and the characteristic becomes obvious.

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Journal Info
Conference SENATIK STT Adisutjipto Yogyakarta
Website

Abbrev

senatik

Publisher

Institut Teknologi Dirgantara Adisutjipto

Subject

Aerospace Engineering Computer Science & IT Electrical & Electronics Engineering Industrial & Manufacturing Engineering Mechanical Engineering

Description

SENATIK merupakan jurnal proceeding seminar nasional teknologi informasi dan kedirgantaraan yang dikelola Pusat Penelitian,dan Pengabdian kepada Masyarakat (P3M) Sekolah Tinggi Teknologi Adisutjipto Yogyakarta. Jurnal ini diterbitkan dalam jangka waktu setahun sekali, dalam bentuk off line/ buku ...