Institute of Physical Metallurgy

Miskolc, Hungary

Institute of Physical Metallurgy

Miskolc, Hungary
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Gergely G.,Institute of Physical Metallurgy | Koncz-Horvath D.,Institute of Physical Metallurgy | Weltsch Z.,Pallasz Athene University | Gacsi Z.,Institute of Physical Metallurgy
Archives of Metallurgy and Materials | Year: 2017

This work represents an interesting development in the detection and interpretation of crack evolution in through hole technology (THT) solder joints, which based on the development of general and common method. Serial sectioning is a useful method because it overcomes the problems associated with traditional two-dimensional metallographic techniques by providing information about (micro)structures in three-dimensions. In our work, serials sectioning with reconstruction method was utilized to visualize the 3D nature of cracks in through hole solder joint. Accurate quantitive analysis of the cracks, such as crack length, position and extension are presented with a help of the developed method: newly defined parameter and serial-cross sectioning method. © 2017 Polish Academy of Sciences.


Simon A.,Institute of Ceramics and Polymer Engineering | Lipusz D.,Institute of Ceramics and Polymer Engineering | Baumli P.,Institute of Physical Metallurgy | Balint P.,Institute of Physical Metallurgy | And 6 more authors.
Archives of Metallurgy and Materials | Year: 2015

The scope of the research work is the production and characterization of Al matrix composites reinforced with WC ceramic nanoparticles. The synthesis process was powder metallurgy. The produced composites were examined as far as their microstructure and mechanical properties (resistance to wear, micro/macrohardness). Intermetallic phases (Al12W and Al2Cu) were identified in the microstrucutre. Al4C3 was not detected in the composites. Adding more than 5 wt% WC to the aluminum, microhardness and wear resistance exceed the values of Al alloy. Composites having weak interface bond performed the highest wear rate.

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