Characterization of pores in high pressure die cast aluminum using active thermography and computed tomography
Larger high pressure die castings (HPDC) and decreasing wall thicknesses are raising the issue of casting defects like pores in aluminum structures. Properties of components are often strongly influenced by inner porosity. As these products are being established more and more in lightweight construc...
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| creator | Maierhofer, Christiane Myrach, Philipp Röllig, Mathias Jonietz, Florian Illerhaus, Bernhard Meinel, Dietmar Richter, Uwe Miksche, Ronald |
| description | Larger high pressure die castings (HPDC) and decreasing wall thicknesses are raising the issue of casting defects like pores in aluminum structures. Properties of components are often strongly influenced by inner porosity. As these products are being established more and more in lightweight construction (e.g. automotive and other transport areas), non-destructive testing methods, which can be applied fast and on-site, are required for quality assurance. In this contribution, the application of active thermography for the direct detection of larger pores is demonstrated. The analysis of limits and accuracy of the method are completed by numerical simulation and the method is validated using computed tomography. |
| doi_str_mv | 10.1063/1.4940580 |
| format | Conference Proceeding |
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| identifier | ISSN: 0094-243X |
| ispartof | AIP conference proceedings, 2016, Vol.1706 (1) |
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| language | eng |
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| source | AIP Journals Complete |
| subjects | Aluminum Automotive parts Casting defects Computed tomography Computer simulation Die casting Dies Fuel consumption Nondestructive testing Porosity Pressure die castings Quality assurance Thermography Weight reduction |
| title | Characterization of pores in high pressure die cast aluminum using active thermography and computed tomography |
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