TY - JOUR A1 - Mieller, Björn A1 - Rabe, Torsten T1 - Compilation and evaluation of the pressure-assisted master sintering surface for low-temperature cofired ceramics T2 - Journal of the American ceramic society N2 - Pressure-assisted sintering (PAS) is an established procedure for the production of low-temperature cofired ceramics (LTCC) without lateral shrinkage and minimal shrinkage tolerances for automotive and high-frequency applications. To develop a feasible model for the prediction of densification during that process, master sintering curves (MSCs) for the commercial LTCC DP951 were generated from thermomechanical analysis (TMA) data in the pressure regime from 2 to 500 kPa. Strain mainly related to creep deformation of the LTCC was identified by evaluation of the strain rate and was discarded for the determination of MSC parameters. It was found that no creep occurred at any pressure up to a relative density of 0.9. Different pressure levels can be modeled with the same activation energy of 400 kJ/mol. Densification curves predicted by the model were in good agreement with experimental data. Based on MSCs, the pressure-assisted master sintering surface was compiled to illustrate the influence of pressure on densification. The results show that the MSC approach is a suitable method to feasibly predict the densification of LTCC during PAS. PB - Blackwell Publishing CY - Malden KW - LTCC KW - Low temperature co-fired ceramics KW - Master sintering curve KW - Activation energy KW - DP951 PY - 2015 UR - https://opus4.kobv.de/opus4-bam/frontdoor/index/index/docId/34795 AN - OPUS4-34795 SN - 0002-7820 SN - 1551-2916 N1 - Geburtsname von Mieller, Björn: Brandt, B. - Birth name of Mieller, Björn: Brandt, B. VL - 98 IS - 11 SP - 3503 EP - 3508 AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany