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Monitoring Thermal ...
Monitoring Thermal Cycles in Multi-pass Welding
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- Valiente Bermejo, María Asunción, 1972- (författare)
- Högskolan Väst,Avdelningen för svetsteknologi (SV),PTW
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- Hurtig, Kjell, 1960- (författare)
- Högskolan Väst,Avdelningen för svetsteknologi (SV),PTW
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- Hosseini, Vahid, 1987- (författare)
- Högskolan Väst,Avdelningen för svetsteknologi (SV),PTW
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- Karlsson, Leif, 1956- (författare)
- Högskolan Väst,Avdelningen för svetsteknologi (SV),PTW
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- Svensson, Lars-Erik, 1951- (författare)
- Högskolan Väst,Avdelningen för svetsteknologi (SV),PTW
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(creator_code:org_t)
- Swedish Production Academy, 2016
- 2016
- Engelska.
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Ingår i: The 7th International Swedish Production Symposium, SPS16, Conference Proceedings. - : Swedish Production Academy. ; , s. 1-5
- Relaterad länk:
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http://www.sps16.se/
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https://urn.kb.se/re...
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Abstract
Ämnesord
Stäng
- Differently from any previous investigation in welding, this research work presents a novel development that allows temperature to be measured and recorded simultaneously with up to 32 thermocouples indifferent locations of a welding joint. Four experiments were designed to optimise the measurement technique by comparing the performance of three types of thermocouples (K, N, C) insulated with different materials and varying the insertion technique of the thermocouples in the joint. Results showed that type-K thermocouple had the best performance and proved that glass fibre insulation provided better protection than Inconel. The optimised measurement procedure developed in this work enables to monitor the thermal cycles in multi-pass welds. That information is essential in multi-pass welding of materials such as super duplex stainless steels, carbon steels or nickel alloys, as heating them repeatedly makes them susceptible to the formation of brittle phases and in turn it influences their mechanical and corrosion properties. This technique could be really important for future applications such as temperature modellingor prediction of mechanical properties and microstructure in relation to the thermal cycle experienced by alloys susceptible to the formation of undesirable phases.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Bearbetnings-, yt- och fogningsteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Manufacturing, Surface and Joining Technology (hsv//eng)
Nyckelord
- Thermocouple
- multi-pass welding
- thermal cycle
- Production Technology
- Produktionsteknik
- Manufacturing and materials engineering
- Produktions- och materialteknik
Publikations- och innehållstyp
- ref (ämneskategori)
- kon (ämneskategori)