Microstructure and Lattice Parameter Studies of Constituent Phases in CoSi&lt;sub&gt;2&lt;/sub&gt;-Si Eutectic Composite

Szostek, Krzysztof; Gurdziel, Wojciech; Wokulski, Z.

doi:10.4028/www.scientific.net/ssp.163.268

Cited by 1 publication

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“…In the case of Czochralski method the seed rods were slowly pulled upwards and rotated at the same time with a speed of 20 r.p.m. Obtained boules have about 10 mm in diameter and up to 100 mm in length [9]. The singlecrystalline ingots and boules were cut perpendicularly to their axis into 2 mm thick plates with use of the Struers Accutom 50 cutt-off machine and the electrospark-erosion machine.…”

Section: Preparation and Investigation Methodsmentioning

confidence: 99%

Crystallization and Microstructure of Co0.75Ni0.25Si2 Solid Solution

Gurdziel

Wokulski

Dercz

et al. 2012

SSP

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The microstructure of Co0.75Ni0.25Si2solid solution, obtained by two different techniques was studied. The solidification processes were conducted using Bridgman and Czochralski methods. The processes were conducted under atmospheric pressure and in the helium atmosphere. Various pulling down (Bridgman method) and pulling up (Czochralski method) rates were applied for ingots and boules preparation. The obtained Co0.75Ni0.25Si2ingots and boules were subjected to the metallographic observations and chemical microanalysis, mainly used Scanning Electron Microscopy techniques. They were studied using X-ray phase analysis too. Comparing the investigation results it was found that the ingots obtained by the Bridgman method and boules obtained by the Czochralski method were single crystalline. The boules, obtained using the Czochralski method, possess better structural quality than ingots obtained by the Bridgman method.

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Section: Preparation and Investigation Methodsmentioning

confidence: 99%