Publikationen

Seit 2016
Veröffentlichungen in Zeitschriften:

  • Kashtalyan M., Piat R., Gus I.:Transverse cracking in metal/ceramic composites with lamellar microstructure . DOI : 10.1016/j.prostr.2016.06.421, Procedia Structural Integrity 2, 3377-3384 (2016)
  • Kashtalyan M., Sinchuk Y., Piat R., Gus I.: Analysis of multiple cracking in metal/ceramic composites with lamellar microstructure. DOI 10.1007/s00419-015-1103-7, Arch Appl Mech 86(1), 177-188 (2016)
  • Piat R., Kashtalyan M., Gus I.: Modeling of the damage in the MMC with lamellar microstructure. Developments in Strategic Ceramic Materials II: Ceramic Engineering and Science Proceedings 37 (7): 189-200 (2017).
  • Sinchuk Y., Piat R., Benoit Nait-Ali: Micro-computed tomography image based thermo-elastic properties studies of freeze-cast MMC. Developments in Strategic Ceramic Materials II: Ceramic Engineering and Science Proceedings 37(7): 201-209 (2017) .
  • Piat R., Kashtalyan M., Gus I.: Influence of the crack widening on the transverse cracking in lamellar metal-ceramic composites.Key Engineering Matherials. Vol.754, 83-86 (2017).
  • Piat R., Zuo Y., and Megyesi P. : Numerical Modeling of the 2D Crack Propagation in Carbon-Carbon Composites.Ceramic Engineering and Science Proceedings, 39(3): 89-107 (2018), doi.org/10.1002/9781119543381.ch10
  • Piat R., Happ P.A. : Analysis of the Analytical and Numerical Studies for Crack Widening in Lamellar Metal-Ceramic Composites.Key Engineering Matherials. Vol.774, 385-390 (2018), https://doi.org/10.4028/www.scientific.net/KEM.774.385
  • Piat R., Happ P.A. : Numerical studies of the correlation between inclusion shape and effective elastic properties of the particle reinforced composites. Key Engineering Matherials. Vol.827,234-239 (2020), doi.org/10.4028/www.scientific.net/KEM.827.234
  • Happ P. A., Bensing T., Terwolbeck S., Malek K., Moneke M., Piat R.: Determining Elastic Properties of Particle Reinforced Polymer Composites by Numerical Modeling of their Microstructures. CERC Proccedings 2020, paper to download.https://ceur-ws.org/
  • Deshpande V.V., Piat R., Weidenmann K.A.: Application of statistical functions for microstructure characterization and determination of elastic properties of ceramic foam. CERC Proccedings 2020, paper to download. https://ceur-ws.org/
  • Deshpande V.V., Weidenmann K.A., Piat R.: Application of statistical functions to the numerical modelling of ceramic foam: From characterisation of CT-data via generation of the virtual microstructure to estimation of effective elastic properties.Journal of the European Ceramic Society. Volume 41, Issue 11,5578-5592, Online (2021), https://doi.org/10.1016/j.jeurceramsoc.2021.03.054
  • Deshpande V. V., Piat R.: Compression failure of porous ceramics: A computational study about the effect of volume fraction on damage evolution and failure. Mechanics of Materials, Volume 177, 104533, Online (2022), https://doi.org/10.1016/j.mechmat.2022.104533

Vorträge bei internationalen Tagungen:

  • Piat R., Kashtalyan M., Gus I.: Transverse cracking in metal-ceramic composites with lamellar microstructure. XXIV ICTAM, 21-26 August 2016, Montreal, Canada.
  • Piat R., Kashtalyan M., Sinchuk Y., Gus I.: Modeling of the damage in the MMC with lamellar microstructure. 40th Int'l Conf & Expo on Advanced Ceramics & Composites (ICACC 2016), Daytona Beach, USA.
  • Sinchuk Y., Piat R., Dietrich S., De Marcos A., Nait-Ali B. : Micro-computed tomography image based thermo-elastic properties studies of freeze-cast MMC. 40th Int'l Conf & Expo on Advanced Ceramics & Composites (ICACC 2016), Daytona Beach, USA.
  • Piat R., Kashtalyan M., Gus I.: Influence of the crack widening on the transverse cracking in lamellar metal-ceramic composites. 16th congress of the Fracture and Damage Mechanics, 2017.
  • Piat R., Kashtalyan M.: Metal-ceramic composites: aspects of the numerical material and damage modeling. 42th Int'l Conf & Expo on Advanced Ceramics & Composites (ICACC 2018), Daytona Beach, USA.
  • Piat R., Zuo Y., Megyesi P.: Numerical modeling of the 2D crack propagation in carbon-carbon composites. 42th Int'l Conf & Expo on Advanced Ceramics & Composites (ICACC 2018), Daytona Beach, USA.
  • Piat R., Rohde M., Reznik B., Lichtenberg S., Deutschmann O., Seifert H.: Development of the High Temperature Joints for Carbon-Based Materials. 42th Int'l Conf & Expo on Advanced Ceramics & Composites (ICACC 2018), Daytona Beach, USA.
  • Piat R., Happ P.A. : Analysis of the Analytical and Numerical Studies for Crack Widening in Lamellar Metal-Ceramic Composites. 17th congress of the Fracture and Damage Mechanics, 2018.
  • Piat R., Happ P.A. : Numerical studies of the composite materials with irregular inclusions, Numiform 2019 (13th International Conference on Numerical Methods in Industrial Forming Processes), Portsmouth, USA, 2019.
  • Piat R., Happ P.A. : Effective elastic properties of two-phase composites: Numerical studies of the irregular shape of inclusion. 2nd Global Forum on Advanced Materials and Technologies for Sustainable Development (GFMAT-2) and the 4th International Conference on Innovations in Biomaterials, Biomanufacturing and Biotechnologies (Bio-4), Toronto, Canada, 2019.
  • Piat R., Happ P.A., Kashtalyan M.: Numerical modeling of the lammellar domain damage in MMC.2nd Global Forum on Advanced Materials and Technologies for Sustainable Development (GFMAT-2) and the 4th International Conference on Innovations in Biomaterials, Biomanufacturing and Biotechnologies (Bio-4), Toronto, Canada, 2019.
  • Piat R., Happ P.A. : Numerical studies of the correlation between inclusion shape and effective elastic properties of the particle reinforced composites. 18th congress of the Fracture and Damage Mechanics, 2019.
  • Piat R., Happ P.A., Drach B., Tsukrov I.: Effect of irregular pores and inclusions on elastic properties of composites. 44th Int'l Conf & Expo on Advanced Ceramics & Composites (ICACC 2020), Daytona Beach, USA, 2020.
  • Happ P. A., Piat R.: Evaluating effects of irregular inclusions and interactions on elastic properties of composites. 44th Int'l Conf & Expo on Advanced Ceramics & Composites (ICACC 2020), Daytona Beach, USA, 2020.
  • Deshpande V.V., Piat R.: Microstructure optimization of fiber reinforced composites for heat conduction problem. ECCM19, 2020.
  • Happ A., Piat R.: A numerical study on particle reinforced composites considering the irregular surfaces of particles and their interactions. ECCM 19, 2020.
  • Happ P. A., Bensing T., Terwolbeck S., Malek K., Moneke M., Piat R.: Determining Elastic Properties of Particle Reinforced Polymer Composites by Numerical Modeling of their Microstructures. CERS 2020, Belfast, 2020.
  • Deshpande V.V., Piat R., Weidenmann K.A.: Application of statistical functions for microstructure characterization and determination of elastic properties of ceramic foam. CERS 2020, Belfast, 2020.

  • Happ P.A., Piat R.: Computational studies of the influence of particle shape on elastic properties of the composite, Paper 61685, ECCM 20, Lausanne, 26-30.06. 2022.

  • Piat R., Deshpande V. V.: Prediction of elastic properties of ceramic foam by creating ng artificial microstructures statistically equivalent to the real one. Paper 61741, ECCM20, Lausanne, 26-30.06. 2022.

  • Deshpande V.V., Piat R.: Computational methodology to establish relationship between volume fraction and compression strength of ceramic foam. Paper 61700, ECCM20, Lausanne, 26-30.06. 2022.

  • Piat R., Deshpande V.V.: Numerical Studies of the Elastic Properties of Ceramic Foam by Creation of the Artificial Microstructures after Processing of Computed Tomographic Images. FDM20, Malaga, 05-07.09.2022.

Publikationen (2006-2015)
Veröffentlichungen in Zeitschriften:

  • Kashtalyan M., Sinchuk Y., Piat R.: Stress Analysis of Cracked MMCs with Lamellar Microstructure. Key Engineering Materials, 627, 345-348 (2015)
  • Sinchuk Y. , Dietrich S., Merzkirch M., Weidenmann K., Piat R.: Micro-Computed Tomography Image Based Numerical Elastic Homogenization of MMCs. Key Engineering Materials, 627, 437-440 (2015)
  • Piat R., Sinchuk Y.: Thermal Conductivity Design for Locally Orthotropic Materials. Key Engineering Materials, 577-578, 437-440 (2014)
  • Stasiuk, G., Piat, R., Deshpande, V.V., Mahajan, P.: Effective thermoelastic properties of C/C composites calculated using 3D unit cell presentation of the microstructure, Ceramic Engineering and Science Proceedings, 34(10), 221-232 (2014)
  • Sinchuk, Y., Piat, R.: Inelastic design of MMCs with lamellar microstructure, Ceramic Engineering and Science Proceedings, 34(10), 221 – 232 (2014)
  • Sinchuk Y., Roy S., Gibmeier J., Piat R., Wanner A.: Numerical study of internal load transfer in metal/ceramic composites based on freeze-cast ceramic preforms and experimental validation, Materials Science & Engineering, A 585, 10–16 (2013).
  • Gross T.S., Timoshchuk N., Tsukrov I., Piat R., Reznik B.: On the ability of nanoindentation to measure anisotropic elastic constants of pyrolytic carbon, ZAMM, 93(5), 301-312 (2013)
  • Dietrich S., Gebert J.-M, Stasiuk G., Wanner A., Weidenmann K. A., Deutschmann O., Tsukrov I., Piat R.: Microstructure Characterization of CVI-Densified Carbon/Carbon Composites with Various Fiber Distributions, Comp. Sci. and Tech.,72(15),1892-1900 (2012)
  • Stasiuk, G., Piat, R., Sinchuk, Y.: Optimal Elastic Design of CFCs. Key Engineering Materials, 488-489, 295-298 (2012)
  • Roy S., Gebert J.-M., Stasiuk G., Piat R., Weidenmann K. A., Wanner A.: Complete determination of elastic moduli of interpenetrating metal/ceramic composites using ultrasonic techniques and micromechanical modelling. Materials Science and Engineering: A, 528(28), 8226-8235 (2011)
  • Piat R., Sinchuk Y., Vasoya M., Sigmund O.: Minimal compliance design for metal–ceramic composites with lamellar microstructures. Acta Materialia, 59(12) , 4835-4846, (2011)
  • Gross T., Nguyen K., Timoshchuk N., Tsukrov I., Reznik B., Piat R., Bohlke T.: Tension-compression anisotropy of in-plane elastic modulus for pyrolytic carbon, Carbon, 49(6), 2145-2147, (2011)
  • Drach B., Tsukrov I., Gross T., Dietrich S., Weidenmann K., Piat R., Böhlke T.: Numerical modeling of carbon/carbon composites with nanotextured matrix and 3D pores of irregular shapes, J. of Solids and Structures, 48(18), 2447-2457, (2011)
  • Gebert J.-M., Reznik B., Piat R., Viering B., Weidenmann K., Wanner A., Deutschmann O.: Elastic constants of high-texture pyrolytic carbon measured by ultrasound phase spectroscopy, Carbon; 48(12), 3635-3658, (2010)
  • Böhlke T., Jöchen K., Piat R., Langhoff T.-A., Tsukrov I., Reznik B.: Elastic Properties of Pyrolytic Carbon with Axisymmetric Textures, Technische Mechanik, 30(4), 343-353, (2010)
  • Ziegler T., Neubrand A., Piat R.: Multiscale Homogenization Models for the Elastic Behaviour of Metal/Ceramic Composites with lamellar domains, Composite Science and Technology, 70(4), 664-670 (2010)
  • Piat R., Roy S., Wanner A.: Material parameter identification of interpenetrating metal-ceramic composites, Key Engineering Materials, 417-418: 53-56, (2010)
  • Ziegler T., Neubrand A., Roy S., Wanner A., Piat R.: Elastic Constants of Metal/Ceramic Composites with Lamellar Microstructures: Finite Element Modeling and Ultrasonic Experiments, Composites Science and Technology, 69 (5): 620-626, (2009)
  • Bussiba A., Kupiec M., Ifergane S., Piat R., Böhlke T.: Damage evolution and fracture events sequence in various composites by acoustic emission technique. Composite Science and Technology, 68 (5): 1144-1155, (2008)
  • Gebert J.-M., Wanner A., Piat R., Guichard M., Rieck S., Paluszynski B., Böhlke T.: Application of the Micro-Computed Tomography for analyses of the mechanical behavior of brittle porous materials, Mechanics of Advanced Materials and Structures, 15: 467-473, 2008
  • Bussiba A., Kupiec M., Piat R., Böhlke T.: Fracture characterization of c/c composite under various stress modes by mutual mechanical and acoustical responses, Carbon, 46(4):618-630, (2008)
  • Piat R., Tsukrov I., Böhlke T., Bronzel N., Shrinivasa T., Reznik B., Gerthsen D.: Numerical studies of the influence of textural gradients on the local stress concentrations around fibers in carbon/carbon composites. Commun. Numer. Meth. Engng., 24:2194-2205, (2008)
  • Leguillon D., Piat R.: Fracture of porous materials – Influence of the pore size, Toughness of porous materials. Engineering Fracture Mechanics, 75: 1840-1853, (2008)
  • Piat R., Lapusta Y., Böhlke T., Guellali M., Reznik B., Gerthsen D., Chen T., Oberacker R., Hoffmann M.J.: Microstructure induced thermal stresses in pyrolytic carbon matrices at temperatures up to 29000C. Journal of the European Ceramic Society, 27(16): 4813-4820, (2007)
  • Piat R., Roser M., Fritzen F., Schnack E.: Numerische Modellierung des Rissfortschritts in porösen CVI-CFC Verbundwerkstoffen, MP Materialprüfung, 49, 170-176, (2007)
  • Piat R., Tsukrov I., Mladenov. N., Verijenko V., Guellali M., Schnack E., Hoffmann M. J.: Material modeling of the CVI-infiltrated C-felt. I. Basic formulae, theory and numerical experiments. Composites Science and Technology 66(15):2997-3003, (2006)
  • Piat R., Tsukrov I., Mladenov. N., Guellali M., Ermel R., Beck T., Schnack E., Hoffmann M. J.: Material modeling of the CVI-infiltrated C-felt. II. Statistical study of the microstructure, numerical analysis and experimental validation. Composite Science and Technology 66(15): 2769-2775, (2006)

Veröffentlichungen in Büchern und online-Zeitschriften

  • Piat, R., Sinchuk, Y.: Nonlinear homogenization of metal-ceramic composites with lamellar microstructure. PAMM • Proc. Appl. Math. Mech. 11, 545-546 (2011)
  • Stasiuk G., R. Piat, Sinchuk Y., Estimation of the optimal distribution of the fibers in carbon/carbon composite. PAMM • Proc. Appl. Math. Mech. 11, 963-964 (2011)
  • Sinchuk, Y., Piat, R., Roy, S., Gibmeier, J., Wanner, A.: Inelastic behavior of the single domain of metal-ceramic composites with lamellar microstructure. PAMM • Proc. Appl. Math. Mech. 11, 285-286 (2011)
  • Drach, B., Tsukrov I., Piat, R., Dietrich, S.: Material properties of anisotropic materials with pores. PAMM • Proc. Appl. Math. Mech. 11, 507–508 (2011)
  • Sinchuk Y., Piat R., Vasoya M.: Elastic Properties of Metal-Ceramic Composites: Micromechanical Estimation and Microstructure. In Ed: Krenkel W., Lamon J.: High Temperature Ceramic Materials and Composites, AVISO Verlagsgesellschaft mbH, Berlin,Germany, 228-233 (2010)
  • Piat R., Dietrich S., Gebert J.-M., Stasiuk G., Weidenmann K., Wanner A., Böhlke T., Drach B., Tsukrov I., Bussiba A.: Micromechanical Modeling of CFCs Using Different Pore Approximations. In Ed: Krenkel W., Lamon J.: High Temperature Ceramic Materials and Composites, AVISO Verlagsgesellschaft mbH, Berlin,Germany, 590-597 (2010)
  • Stasiuk G., Ziegler T., Piat R., Neubrand A.: Numerical estimation of the thermal expansion of lamellar single domains in metal/ceramic composites. PAMM • Proc. Appl. Math. Mech. 10, 723-724 (2010)
  • Piat R., Böhlke T., Deutschmann O., Dietrich S., Drach B., Gebert J.-M. , Gross T., Li A., Reznik B., Stasiuk G., Tsukrov I., Wanner A.: Numerical Studies of the Influence of the Porosity on Macroscopic Elastic Properties of Carbon/Carbon Composites. PAMM • Proc. Appl. Math. Mech. 10, 719-720 (2010)
  • Piat R., Sinchuk Y., Vasoya M.: Application of the semy-analytical micromechanical methods for optimization of the elastic response of metal-ceramic composites. PAMM • Proc. Appl. Math. Mech. 10, 721-722 (2010)
  • Böhlke T., Lin S., Piat R., Heizmann M., Tsukrov I.: Estimate of the Thermoelastic Properties of Pyrolytic Carbon based on an Image Segmentation Technique. PAMM • Proc. Appl. Math. Mech. 10, 281-282 (2010)
  • Li A., Deutschmann O., Piat R., Böhlke T., Tsukrov I., Gross T.: Phase-field modeling of the effect of interfacial energy on pyrolytic carbon morphology in chemical vapor deposition. PAMM • Proc. Appl. Math. Mech. 10, 715-716 (2010)
  • Böhlke T., Langhoff T.-A., Piat R.: Bounds for the Elastic Properties of Pyrolytic Carbon, PAMM 9, 431-434 (2009).
  • Piat R.: Numerical modeling of brittle fracture in porous CFC materials, PAMM 6: 191-192, (2006)

Editorials in Sonderausgaben von Internationalen Fachzeitschriften

  • Piat R., Dimitrov S., Schnack E., Böhlke T.: Research in mechanics of composites, Composites Science and Technology, 68(5): 1095-1096, 2008
  • Piat R., Dimitrov S., Böhlke T.: Editorial to special issue includes papers presented at the 19th International Workshop “Research in Mechanics of Composites,” Bad Herrenalb (Germany), 26–29 November 2006, Mechanics of Advanced Materials and Structures, 15:409, 2008

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