Thermo-mechanical cracking of a new and laser repair welded die casting die

Thermo-mechanical cracking of a new and laser repair welded die casting die

The paper presents the analysis of thermo-mechanical fatigue cracking of die casting die during industrial use. An innovative, production friendly approach to monitor the surface crack dimensions was introduced, which is based on measuring defect-fin on the casting part. A new four moulds die castin...

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Bibliographic Details
Main Authors: D. Klobčar, M. Muhič, M. Pleterski, J. Tušek
Format: Article
Language:English
Published: Croatian Metallurgical Society 2012-07-01
Series:Metalurgija
Subjects:
high pressure die casting
laser welding
thermo-mechanical fatigue cracking
casting defect-fin
Online Access:http://hrcak.srce.hr/file/120256
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spelling doaj-5c986de9c4b14e3baafee92a512d63eb2020-11-25T00:59:31ZengCroatian Metallurgical SocietyMetalurgija0543-58461334-25762012-07-01513305308Thermo-mechanical cracking of a new and laser repair welded die casting dieD. KlobčarM. MuhičM. PleterskiJ. TušekThe paper presents the analysis of thermo-mechanical fatigue cracking of die casting die during industrial use. An innovative, production friendly approach to monitor the surface crack dimensions was introduced, which is based on measuring defect-fin on the casting part. A new four moulds die casting die was monitored 40 000 cycles in order to complete the production series. The production was stopped three times for laser repair welding of cracks since the defect-fins were not acceptable. The defect-fin heights were measured every 1 000 cycles on the castings before and after repair welding of die surface cracks. The in-service die life can be prolonged with laser repair welding for several times, even thought that in-service die life for a particular repair varies.http://hrcak.srce.hr/file/120256high pressure die castinglaser weldingthermo-mechanical fatigue crackingcasting defect-fin
collection DOAJ
language English
format Article
sources DOAJ
author D. Klobčar
M. Muhič
M. Pleterski
J. Tušek
spellingShingle D. Klobčar
M. Muhič
M. Pleterski
J. Tušek
Thermo-mechanical cracking of a new and laser repair welded die casting die
Metalurgija
high pressure die casting
laser welding
thermo-mechanical fatigue cracking
casting defect-fin
author_facet D. Klobčar
M. Muhič
M. Pleterski
J. Tušek
author_sort D. Klobčar
title Thermo-mechanical cracking of a new and laser repair welded die casting die
title_short Thermo-mechanical cracking of a new and laser repair welded die casting die
title_full Thermo-mechanical cracking of a new and laser repair welded die casting die
title_fullStr Thermo-mechanical cracking of a new and laser repair welded die casting die
title_full_unstemmed Thermo-mechanical cracking of a new and laser repair welded die casting die
title_sort thermo-mechanical cracking of a new and laser repair welded die casting die
publisher Croatian Metallurgical Society
series Metalurgija
issn 0543-5846
1334-2576
publishDate 2012-07-01
description The paper presents the analysis of thermo-mechanical fatigue cracking of die casting die during industrial use. An innovative, production friendly approach to monitor the surface crack dimensions was introduced, which is based on measuring defect-fin on the casting part. A new four moulds die casting die was monitored 40 000 cycles in order to complete the production series. The production was stopped three times for laser repair welding of cracks since the defect-fins were not acceptable. The defect-fin heights were measured every 1 000 cycles on the castings before and after repair welding of die surface cracks. The in-service die life can be prolonged with laser repair welding for several times, even thought that in-service die life for a particular repair varies.
topic high pressure die casting
laser welding
thermo-mechanical fatigue cracking
casting defect-fin
url http://hrcak.srce.hr/file/120256
work_keys_str_mv AT dklobcar thermomechanicalcrackingofanewandlaserrepairweldeddiecastingdie
AT mmuhic thermomechanicalcrackingofanewandlaserrepairweldeddiecastingdie
AT mpleterski thermomechanicalcrackingofanewandlaserrepairweldeddiecastingdie
AT jtusek thermomechanicalcrackingofanewandlaserrepairweldeddiecastingdie
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