Sereda D. Formation of the structure and properties of chromo-aluminized coatings of structural materials under self-propagating high-temperature synthesis

Українська версія

Thesis for the degree of Candidate of Sciences (CSc)

State registration number

0418U003819

Thesis Registration Form

0418U003819.pdf

Applicant for

Specialization

  • 05.02.01 - Матеріалознавство

16-11-2018

Specialized Academic Board

К 32.075.02

Lutsk National Technical University

Essay

New chromium-plated coatings alloyed with boron, silicon and titanium on steel 50, brass Lc40Mz3J and СССM, under conditions of thermal self-ignition of SHS-charge. It is established and justified that the optimal combination of physical-mechanical and operational properties of structural materials with doped chromium-plated coatings is provided by SHS-blends containing: 14-25% chromium component, 7% silicon; 10% boron; 15-20% titanium; 12-15% aluminum, 5% activator, and ballast material (Al2O3) - the rest. Owing to the increase in the concentration of alloying elements in the coating, the heat resistance of СССM increases by a factor of 1,5-1,7, the corrosion resistance of brass Lc40Mz3J is 1,7-2,1 times. By increasing the micro hardness and reducing the total score of brittle fracture, the wear resistance of steel 50 increases 1,8-2,1 times.

Read more

Files

autoreferat--aref.pdf

dis.pdf

Similar theses

0524U000117

Nataliia Y. Imbirovych

Mechanisms and patterns of plasma-electrolytic synthesis of biocoatings based on titanium alloys

0523U100235

Yulisa G. Chabak

Development of the scientific basis of enhancing the operational properties of alloyed cast irons by improving the chemical composition and applying highly concentrated energy sources for surface treatment. – Qualifying work as а scientific report

0423U100094

Romanenko Yaroslav M

Formation under high pressure of tool PCBN composites with homogeneous structure and increased damping capacity

0523U100002

Trostianchyn Andrii

The concept of hydrogen treatment to improve the structural-phase state and properties of functional materials based on alloys of rare earth and transition metals

0421U103868

Voloshyna Liudmyla V.

Higher wear resistance of an oil gear pump for tractor diesel engines