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Further Durability Enhancement of Re-crystallized SiC-DPF
Technical Paper
2004-01-0954
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
SiC has very high thermal conductivity and mechanical strength. The cracking problem during regeneration could be successfully handled by using split-type DPFs that consist of multiple filter segments. For enhancing further durability of SiC-DPF, increasing the regeneration limit was successful by means of increasing a volume of the neck area located between SiC particles. The improvement was probably due to the lowering of Young's modulus and increasing of the thermal shock fracture resistance parameter R', which were results of increasing the neck volume and controlling the sintering method. Crack propagation mode changed from the conventional mode, and the cracks propagating throughout the whole tended to be restrained.
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Authors
Topic
Citation
Ohno, K., Yamayose, K., Sato, H., and Ogyu, K., "Further Durability Enhancement of Re-crystallized SiC-DPF," SAE Technical Paper 2004-01-0954, 2004, https://doi.org/10.4271/2004-01-0954.Also In
Diesel Emissions on CD-ROM from the SAE 2004 World Congress
Number: SP-1835CD; Published: 2004-03-08
Number: SP-1835CD; Published: 2004-03-08
References
- Salvat O. et al. “Passenger Car Serial Application of a Particulate Filter System on a Common Rail Direct Injection Diesel Engine” SAE paper No. 2000-01-0473
- Itoh A. et al. “Study of SiC Application to Diesel Particulate Filter (Part 1): Material Development” SAE paper No. 930360
- Ohno K. Shimato K. et al. “Characterization of SiC-DPF for Passenger Car” SAE paper No. 2000-01-0185
- Uchida Y. Ichikawa S. et al. “Durability Study on Si-SiC Material for DPF” SAE paper No. 2003-01-0384
- Davidge R.W. “Mechanical behaviour of ceramics” 134 Kyoritu publishing company 1982
- Ohno K. Shimato K. et al. “Characterization of SiC-DPF for Passenger Car” SAE paper No. 2000-01-0185
- Gantawar Ajay K. et al. “A Study of the Regeneration Characteristics of Silicon Carbide and Cordierite Diesel Particulate Filters Using a Copper Fuel Additive” SAE paper No. 970187