Head of Department: Prof. Andrzej Seweryn, DSc, PhD, Eng
Phone: + 48 85 746 92 06
www.wm.kms.pb.edu.pl
e-mail: a.seweryn@pb.edu.pl

Research topics

1. Brittle and ductile fracture of structural heterogeneous and anisotropic materials
2. Mechanics of composite materials including polymer fiber composites, metal layer composites
   and sandwich structures
3. Thermomechanics problems about laser heating of surface bodies and frictional heating of
   brake components
4. Analytical and experimental investigation of damage accumulation in complex stress states
   and high temperatures
5. Prediction of strength and fatigue durability of structural elements with cracks and notches
6. Thermoelastic contact problems of complex thermomecanical materials with cracks and holes
7. Investigation of materials by the method of active thermography. Non-destructive testing with
   active thermography.
8. Discovery of action rules for incomplete information systems
9. Analysis of tribological process of wear in dry friction and jet erosion
10. Medelling of the coupled thermo-electro-magneto-elastic field problems in anisotropic
    homogeneous and heterogenous media with cracks and thin inclusions
11. Experimental investigations and numerical models of multiphase flow – in particular a dynamic
    of gas bubbles formation in liquid

Selected publications

1. Uscinowicz R. (2013), The effect of rolling direction on the creep process of Al-Cu bimetallic
   sheet, Materials and Design, 49, 693-700.
2. Kulchytsky-Zhyhailo R., Bajkowski A. (2012), Analytical and numerical methods of solution
   of three-dimensional problem of elasticity for functionally graded coated half-space,
   International Journal of Mechanical Sciences, 54, 105-112.
3. Savruk M. P., Kazberuk A. (2010), Two-dimensional fracture mechanics problems for solids
   with sharp and rounded V-notches, International Journal of Fracture, 161, 79-95.
4. Grzybowski H., Mosdorf R. (2014), Dynamic of pressure oscillations in flow boiling and
   condensation in the minichannel, International Journal of Heat and Mass Transfer, 73,
   500-510.
5. Yevtushenko A.A., Adamowicz A., Grzes P. (2013), Three-dimensional FE model for the
   calculation of temperature of a disc brake at temperature-dependent coefficients of friction,
   International Communications in Heat and Mass Transfer, 42 (3), 18-24.
6. Kuciej M. (2011), Accounting changes of pressure in time in one-dimensional modeling the
   process of friction heating of disc brake, International Journal of Heat and Mass Transfer,
   54 (1-3), 468-474.
7. Derpenski L., Seweryn A. (2011), Experimental research into fracture of EN AW 2024 and
   EN AW 2007 aluminum alloy specimens witch notches subjected to tension, Experimental
   Mechanics, 51, 1075-1094.
8. Szusta J., Seweryn A. (2011), Fatigue damage accumulation modelling in the range of
   complex low-cycle loadings The strain approach and its experimental verification on the basis
   of EN AW 2007 aluminum alloy, International Journal of Fatigue, 33, 255-264.
9. Pasternak Ia., Pasternak R., Sulym H. (2014), Temperature field and heat flux that do not
   induce stress and electricdisplacement in a free thermoelectroelastic anisotropic solid,
   Mechanics Research Communications, 57, 4043.
10. Ras Z., Dardzinska A. (2014), Ontology Based Distributed Autonomous Knowledge Systems,
    Web-Universal Integration, Information Systems, 29, 1, 47-58.
11. Oliferuk W., Maj M., Litwinko R., Urbański L. (2012), Thermomechanical coupling in the elastic
    regime and elasto-plastic transition during tension of austenitic steel, titanium and aluminium
    alloy at strain rates from 10-4 to 10-1 s-1, European Journal of Mechanics A – Solids, 35,
    111-118.
12. Romanowicz M. (2014), Initiation of kink bands from regions of higher misalignment in carbon
    fiber-reinforced polymers, Journal of Composite Materials, 48 (19), 2387–2399.
13. Matysiak S. J., Perkowski D.M. (2014), Temperature distributions in a periodically stratified
    layer with slant lamination, Heat and Mass Transfer, 50 (1), 75-83.

Test equipment

MTS 322 series Servohydraulic Material Testing System

• MTS Silent Flo 505.20 Hydraulic Power Unit with 62.5 l/min
  nominal flow rating;
• control by using MTS Testar II 90.01;
• test space: width 600 mm and height up to 1000 mm;
• dynamic force range of the 1st actuator: ± 50 kN; working
  stroke of the actuator: ± 75 mm;
• dynamic force range of the 2nd actuator: ± 250 kN; working
  stroke of the actuator: ± 150 mm;
• control of experimental tests by using extensometer,
  displacement or force;
• flat and round specimens for testing;
• hydraulic grips.

MTS Bionix 858 Axial-torsional Servohydraulic Material Testing System

• MTS Silent Flo 505.11 Hydraulic Power Unit with 41.6 l/min
  nominal flow rating;
• control by using MTS FlexTest SE 2- Channel Plus;
• test space: width 300 mm and height up to 500 mm;
  dynamic force rating: ± 25 kN;
• total stroke of linear actuator: 100 mm;
• dynamic torque rating: ±200 Nm;
• total angular displacement: 270°;
• control of experimental tests by using a displacement
  (and/or angle of torsion) sensor;
• force (and/or torque) transducer;
• flat and round specimens for testing;
• hydraulic axial-torsional grips with regulated clamping force.

MTS 809.10 Axial-torsional Servohydraulic Material Testing System

• MTS Silent Flo 505.11 Hydraulic Power Unit with 42 l/min
  nominal flow rating;
• control by using MTS FlexTest 40;
• test space: width 533 mm and height up to 1085 mm;
• dynamic force rating: ±100 kN;
• total stroke of linear actuator: 150 mm;
• dynamic torque rating: ±1100 Nm;
• total angular displacement: 90° dynamic, and 100° static;
• control of experimental tests by using a displacement
  (and/or angle of torsion) sensor;
• force (and/or torque) transducer;
• flat and round specimens for testing;
• collet and wedge hydraulic axial-torsional grips sets with
  regulated clamping force.

MTS Insight Material Testing Systems

• axial loading range ± 1 kN;
• vertical test space (crosshead travel) up to 750 mm;
• position accuracy 0,01 mm;
• position resolution 0,001 mm;
• maximum test speed 1500 mm/min;
• minimum test speed 0,001 mm/min;
• stepless speed control (possibility of flexible speed changes
  during test);
• adapter for the hardness and microhardness testing;
• adapter for bending and shear tests;
• measurement of friction coefficient;
• flat and round specimens for testing.

Four-column electromechanical creep testing machine Zwick-Roell KAPPA 100 SS

• axial load range: ± 100 kN;
• working area 1350 mm × 720 mm;
• load speed range: 1 micron / h to 100 mm / min;
• cylinder stroke: 250 mm;
• independent control of the force or movement;
• define the sequence of individual load and temperature;
• short- and long-term (10,000 hours) creep tests and creep tests
  to destruction;
• tensile test;
• stress relaxation tests;
• possibility to implement all of the tests at room temperature or
  at elevated temperature (up to 1000° C);
• test sample: axially symmetrical or flat.

MTS 651.05E-02 Environmental Test Chambers

• strength tests at -75 ÷ 315°C;
• control software by MTS controller FlexTest SE;
• internal dimensions of the Test Chamber: width 286 mm, depth 305 mm,
  height 457 mm;
• chamber set on a specific mobile platform allowing for its quick
  installation on different;
• test machines;
• integrated PID control system;
• the ability to cool the samples during the test liquid nitrogen;
• inspection window to view the work area.

Digital high-speed monochrome camera Phantom v1610/96

• max speed at full resolution of 1280 x 800 is 16,000 fps;
• max speed at reduced resolution of 128 x 16 is 1,000,000 fps;
• CMOS sensor;
• 12-bit depth;
• 28 μm pixel size;
• 1 μs minimum exposure standard, 500 ns minimum exposure with
  FAST option;
• High-Speed Image Correlation System Q-450 by Dantec Dynamics.

High performance Infrared Camera Cedip TITANIUM 560M

• state-of-the-art InSb (indium antimonide) sensor with
  3.6-5.1 μm spectral response;
• 640 x 512 resolution and full 14-bit dynamic range;
• high speed frame rate operation up to 5 KHz (380Hz in full
  frame mode);
• smart external triggering;
• Camera Link and USB2.0 interfaces, S-Video output;
• temperature calibration range from -20°C to 400°C w/o
  high temp. Filter;
• temperature measurement accuracy ±1°C or ±1%;
• Noise Equivalent Temperature Difference (NETD) < 25 mK;
• Non-Destructive Testing with Active Thermography.

Other laboratory equipment

• electromechanical testing machines EDZ 100 i EDZ 40;
• electromechanical universal testing machine ZD10/90;
• testing machine KM-50-1;
• extensometers to measure of deformations and control: biaxial (elongation-shortening + torsion angle) – MTS 632.85F-05/14/, MTS 632.80F- 4, Epsilon 3550HT and axial (elongation-shortening) ) – MTS 632.68F–08, MTS 632.18, Epsilon 3542, Epsilon 3541;
• torque sensor 20, 100 1000 Nm;
• universal DAQ Amplifier QUANTUM X;
• Brinell, Rockwell, Vickers hardness testing machine;
• stand for testing the fatigue life of toothed gears.