MAM
Material Analysis and Testing Laboratories
Metallography and Damage Analysis Laboratory
In the Metallography and Damage Analysis Laboratory, macrostructural/microstructural characterization of metallic materials prepared by standard metallographic methods such as cutting, molding, sanding and polishing and damage analysis studies to determine the damage mechanism (corrosion, fatigue, etc.) of metallic parts are carried out. Within the scope of characterization of metallic materials, microstructural analysis, determination of the amount of non-metallic residue in steels according to their types, examination of weld structures, determination of graphite shape, distribution and size in cast iron, examination of surface treatments, etc. are applied. Within the scope of damage analysis studies; the mechanism and causes of the damage occurring in the part are examined and determined in detail in terms of design, material selection, material defects, production methods and processes and service conditions, and the results are reported with solution suggestions. The infrastructure of the Metallography and Damage Analysis Laboratory includes cutting, molding, sanding and polishing devices for sample preparation and light (optical) microscopes used for microstructural characterization.
Electron Microscopes and Atomic Force Microscopes Laboratories
TÜBİTAK Marmara Research Center Electron Microscopy Laboratory was established in 1974 with the acquisition of a Scanning Electron Microscope (SEM). There are 2 Transmission Electron Microscopes (TEM), 2 Scanning Electron Microscopes (SEM) and 2 Atomic Force Microscopes (AFM) within the "Electron Microscopes and Atomic Force Microscopes Laboratories".
High-discrimination transmission electron microscopy (HRTEM) is used in many areas of materials science and especially in nanotechnology research. This system, which can take high-resolution images at the atomic level, also has a semi-quantitative EDS unit and a CCD camera with a base input. With HRTEM, light field, dark field images, diffraction pattern, nanodiffraction pattern and semi-quantitative elemental analysis with EDS can be performed.
Microstructural and morphological characterization of polished surfaces and cross-sections or fractured surfaces of powder samples and bulk materials with metallographic techniques down to nanometer size can be performed, as well as semi-quantitative microanalytical method and micro analysis of all kinds of defects in the material structure, elemental chemical analysis in different regions of the material, line analysis, phase detection and mapping, color composition imaging. To characterize the elemental composition of the material analyzed by SEM-EDS technique, surfaces or phases as small as about 1µm can be semi-quantitatively analyzed using X-rays emitted from the sample bombarded by the electron beam. With EDS, point and line analysis as well as elemental mapping is possible.
Atomic Force Microscopy is used to solve process and materials problems in a wide range of technologies affecting fields such as electronics, telecommunications, biomedical, chemical, automotive, aerospace, and automotive. Materials investigated include thin and thick film coatings, ceramics, alloys, glasses, polymers and semiconductors. AFM can also be used to study the effects of abrasion, adhesion, cleaning, decay, capillary behavior, roughening, friction, lubrication, coating and polishing on materials.
Mechanical Testing Laboratory
Our mechanical testing laboratory has an infrastructure where tensile, compression, bending, charpy - isod impact tests and Rockwell-Vickers-Brinell hardness measurements can be performed. Our laboratory is accredited according to TS EN ISO/IEC 17025.
Coating and Corrosion Laboratories
Ceramic Sol-Gel Techniques Laboratories work on porous materials (ceramic membranes, mesoporous films) and functional coatings. The laboratories offer opportunities for project-based synthesis, application and characterization. The main devices in the current infrastructure of the laboratories are as follows; Contact angle determination device, scratching device, corona device, humidity cabinet, thickness measuring device, hydrothermal unit, centrifuge device, immersion coating device, ultrasonic mixer.
The Corrosion Laboratory allows NSS (Normal Salt Spray) and CASS (Copper Accelerated Salt Spray) tests to be performed in accordance with ISO 9227, ASTM B 117 and ASTM B 368 standards with the salt spray booth in its infrastructure.
Ceramic Laboratories
In Ceramic Laboratories, process studies such as preparation, mixing, pressing, grinding, sintering of ceramic and metal powders as well as characterization tests are carried out with devices. Laboratories; Zetasizer grain size measuring device, BET multi-point surface area measuring device, dilatometer device, thermal analysis devices, thermal conductivity measuring devices, spray dryer, single and double acting presses for sample shaping, ball and attritor grinding devices, mechanical and magnetic mixers, sieve shaker, precision cutters for cutting samples, high-temperature furnaces and gas-heated furnaces operating between 1200° and 1700°C, high-temperature four-point bending strength, gloss and color measuring devices, strip casting, lapping and rheological measuring devices.
