Zobrazeno 1 - 10
of 14
pro vyhledávání: '"M. A. Lachowicz"'
Autor:
M. B. Lachowicz, Marzena Lachowicz
Publikováno v:
Przegląd Spawalnictwa, Vol 91, Iss 8 (2019)
The paper presents the results of metallographic examination of a sleeve from a refrigeration system used in the food industry. On its outer surface, local surface changes were observed. Metallographic and microscopic SEM examinations were performed.
Autor:
Marzena Lachowicz, M. B. Lachowicz
Publikováno v:
Archives of Foundry Engineering, Vol 17, Iss 3, Pp 79-84 (2017)
The paper presents the research results of the solenoid housing made of the Zn4Al1Cu alloy that was destroyed as a result of corrosion. Surface of the tested part showed macroscopically the features typical for white corrosion, and the resulting corr
Autor:
M. B. Lachowicz, M. M. Lachowicz
Publikováno v:
Archives of Metallurgy and Materials, Vol 60, Iss 4, Pp 2657-2662 (2015)
This paper presents the mechanism of corrosion of austenitic steel in the presence of copper. It has been found that when corrosion occurs, the presence of copper in the corrosive solution in the neighbourhood of austenitic steel results in the inten
Autor:
Marzena Lachowicz, M. B. Lachowicz
Publikováno v:
Materials
Materials, Vol 14, Iss 1485, p 1485 (2021)
Materials, Vol 14, Iss 1485, p 1485 (2021)
The aim of the present work was to evaluate high-strength bolt corrosion fatigue based on metallographic examinations. The conducted tests were focused on the analysis of damaged martensitic bolts. It was found that the combined presence of cyclic lo
Publikováno v:
Key Engineering Materials. 682:91-98
The paper presents research on the effects of magnesium content on electrical and mechanical properties of materials after heat treatment of the casting of aluminum alloys: AlSi5Mg0.3, AlSi5Mg0.8 and AlSi5Mg1. The proposed heat treatment consisted of
Publikováno v:
Przegląd Spawalnictwa - Welding Technology Review. 89
W pracy przedstawiono wyniki badan przeprowadzonych w celu ustalenia przyczyny wystąpienia korozji elementu wykonanego ze stali austenitycznej gatunku X2CrNi18-9. Korozje obserwowano w szczegolności w obszarach wystepowania zlączy spawanych. Stwie
Publikováno v:
Przegląd Spawalnictwa - Welding Technology Review. 89
W pracy przedstawiono wyniki badan przeprowadzonych w celu oceny przydatności nieniszczących badan penetracyjnych w zastosowaniu do badania zlączy spawanych wykonanych na superstopie niklu Inconel 713C. Jako metode odniesienia wykorzystano obserwa
Publikováno v:
Materials Science-Poland. 30:217-225
This paper presents the results of investigation of four cast alloys based on the Fe3Al intermetallic phase. Microstructure tests using light microscopy, electron scanning microscopy and X-ray diffraction methods, have been performed. On this basis,
Autor:
M. B. Lachowicz, W. Dudziński
Publikováno v:
Materials Science-Poland. 30:159-169
In this paper, metallographic examinations, characterising microstructural changes in the 713C superalloy subjected to remelting by GTA method, are presented. In the fusion zone, precipitation of M23C6 or M6C carbides based on chromium and molybdenum
Autor:
M. B. Lachowicz
Publikováno v:
Archives of Foundry Engineering, Vol 10, Iss SI 3, Pp 11-16 (2010)
The following paper presents the results of the metallographic research of the padding welds made from cast alloy Inconel 713C that had undergone heat treatment in four different time and temperature variants. Annealing was applied at temperatures 11