Search Results - "Dimitrova, Rayna"

Some Approaches to Quantitative Classification of Plastic Deformation Processes Based on the Parameters of Their Stress–Strain State Determined by Simulation Modeling.

Authors: Kamburov, Valentin Dimitrova, Rayna

Source: Metals (2075-4701); Apr2026, Vol. 16 Issue 4, p445, 14p

Duplex Surface Modification of 40CrMnMo7 Tool Steel by Chemical-Thermal Treatment and PVD Coating.

Authors: Dochev, Boyan Sofronov, Yavor Yordanov, Milko et al.

Source: Metals (2075-4701); Apr2026, Vol. 16 Issue 4, p377, 24p

Comparative Study of Nanostructured Multilayer Cr/(Cr/a-C)ml Coatings Deposited on HS6-5-2 Steel by Magnetron Sputtering.

Authors: Dimitrova, Rayna Petrov, Krum Sofronov, Yavor et al.

Source: Materials (1996-1944). Mar2026, Vol. 19 Issue 6, p1073. 19p.

Investigation of the Mechanical Properties and Friction Coefficient of Cr/CrTiAl and Cr/(CrTiAl)N/CrTiAl PVD Coatings Deposited on 42CrMo4 QT Steel.

Authors: Sofronov, Yavor Dochev, Boyan Mishev, Valentin et al.

Source: Metals (2075-4701); Feb2026, Vol. 16 Issue 2, p231, 17p

Corrosion Properties and Performance of Nanostructured Multilayered Chromium–Amorphous Carbon Coatings on HS6-5-2 Steel.

Authors: Tzaneva, Boriana Sofronov, Yavor Petrov, Krum et al.

Source: Metals (2075-4701); Feb2026, Vol. 16 Issue 2, p149, 17p

Abrasive and Erosive Wear of TI6Al4V Alloy with Electrospark Deposited Coatings of Multicomponent Hard Alloys Materials Based of WC and TiB 2.

Authors: Penyashki, Todor Kostadinov, Georgi Kandeva, Mara et al.

Source: Coatings (2079-6412); Jan2023, Vol. 13 Issue 1, p215, 15p

CONFORMANCE RELATIONS AND HYPERPROPERTIES FOR DOPING DETECTION IN TIME AND SPACE.

Authors: BIEWER, SEBASTIAN DIMITROVA, RAYNA FRIES, MICHAEL et al.

Source: Logical Methods in Computer Science (LMCS); 2022, Vol. 18 Issue 1, p1-39, 39p

IMPACT OF SCIENCE, EDUCATION AND HEALTHCARE ON LABOUR PRODUCTIVITY IN THE NMS-11.

Authors: Todorov, Ivan Angelova, Gergana Dimitrova, Rayna

Source: Economic Studies. 2026, Vol. 35 Issue 2, p66-81. 16p.

Reactive synthesis with maximum realizability of linear temporal logic specifications.

Authors: Dimitrova, Rayna Ghasemi, Mahsa Topcu, Ufuk

Source: Acta Informatica; Apr2020, Vol. 57 Issue 1/2, p107-135, 29p

Study of the Influence of Coating Roughness on the Properties and Wear Resistance of Electrospark Deposited Ti6Al4V Titanium Alloy.

Authors: Penyashkia, Todor Kostadinov, Georgi Kandeva, Mara et al.

Source: Tribology in Industry; 2024, Vol. 46 Issue 1, p13-28, 16p

Surface Characteristics, Properties and Wear Resistance OF TIB2 BASED Hard-Alloy Coatings Obtained by Electrospark Deposition at Negative Polarity on Ti6Al4V Alloy.

Authors: Penyashki, Todor Kostadinov, Georgi Kandeva, Mara et al.

Source: Tribology in Industry; 2023, Vol. 45 Issue 4, p686-698, 13p

Reachability analysis of reversal-bounded automata on series–parallel graphs.

Authors: Dimitrova, Rayna Majumdar, Rupak

Source: Acta Informatica; Mar2018, Vol. 55 Issue 2, p153-189, 37p

Approximate counting in SMT and value estimation for probabilistic programs.

Authors: Chistikov, Dmitry Dimitrova, Rayna Majumdar, Rupak

Source: Acta Informatica; Dec2017, Vol. 54 Issue 8, p729-764, 36p

Abrasive Wear Resistance of Electrospark Coatings on Titanium Alloys.

Authors: Kandeva, Mara Kostadinov, Georgi Penyashki, Todor et al.

Source: Tribology in Industry; 2022, Vol. 44 Issue 1, p132-142, 11p

An Investigation of the Influence of the Sequence of Laser Texturing and Heat Treatment Processes on the Coefficient of Friction of X165CrMoV12 Steel.

Authors: Sofronov, Yavor Dochev, Boyan Nikolov, Antonio et al.

Source: Materials (1996-1944). May2026, Vol. 19 Issue 9, p1781. 18p.

Tribological and Corrosion Properties of Coatings of Ultradisperse TiB 2 -TiAl Electrodes with Nanosized Additives Deposited on Ti-Gr2 by Non-Contact Electrospark Deposition.

Authors: Kostadinov, Georgi Nikolov, Antonio Sofronov, Yavor et al.

Source: Materials (1996-1944). Apr2026, Vol. 19 Issue 8, p1652. 25p.

Characteristics and Microstructure of Coatings of Ultradisperse TiB 2 -TiAl Electrodes with Nanosized Additives Deposited on Ti-Gr2 by Non-Contact Electrospark Deposition.

Authors: Kostadinov, Georgi Nikolov, Antonio Sofronov, Yavor et al.

Source: Materials (1996-1944). Feb2026, Vol. 19 Issue 3, p572. 23p.

Indentation hardness and modulus of electrochemically deposited triple protective-decorative Cu-Ni-Cr system.

Authors: Datcheva, Maria Chalakova, Gergana Nikolov, Antonio et al.

Source: MATEC Web of Conferences; 1/11/2018, Vol. 145, p1-7, 7p

Deposition and Properties of Nanostructured Multilayer Cr/(Cr/a-C)ml Coating on Stainless Steels.

Authors: Mishev, Valentin Sofronov, Yavor Yordanov, Milko et al.

Source: Materials (1996-1944). Dec2025, Vol. 18 Issue 24, p5654. 16p.

Synthesis of strategies for autonomous surveillance on adversarial targets.

Authors: Bharadwaj, Suda Dimitrova, Rayna Quattrociocchi, Jesse et al.

Source: Robotics & Autonomous Systems. Jul2022, Vol. 153, pN.PAG-N.PAG. 1p.

Subjects: Games, Robots, Explosions