Microstructural characteristic of hypereutectoid iron alloys melted in ArcMelter furnace
PBN-AR
Instytucja
Wydział Inżynierii Metali i Informatyki Przemysłowej (Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie)
Informacje podstawowe
Główny język publikacji
EN
Czasopismo
Acta Physica Polonica. A
ISSN
0587-4246
EISSN
1898-794X
Wydawca
Polska Akademia Nauk. Instytut Fizyki
DOI
Rok publikacji
2016
Numer zeszytu
4
Strony od-do
939--941
Numer tomu
130
Link do pełnego tekstu
Identyfikator DOI
Liczba arkuszy
0.21
Autorzy
Pozostali autorzy
+ 1
Streszczenia
Język
EN
Treść
ArcMelter furnace is commonly used as a method for synthesis of amorphous and nanocrystalline materials. Due to easy and precise chemical composition control, also short time of whole process, this method was used to synthesis of new model hypereutectoid iron alloys. Material for the investigation was 90CrV6 steel. The chemical composition of this steel was modified to obtain the increase of carbides volume fraction with preserving the same chemical composition and mechanical properties of the matrix. The melt was conducted at sub atmospheric pressure of argon. The obtained materials were chemically analyzed by the use of optical emission spectrometer. The metallographic analysis was performed by the use of microscope. Phase composition in cast state was analyzed by X-ray diffraction. Chemical composition of the ingots differed from the previously established compositions in the range of 0.08 mass percentage. The high cooling rate resulted in dendritic character of the obtained microstructures. The microstructure of modified tool materials was plate martensite with large amount of retained austenite. The stress induced martensitic transformation in the crack area was observed. Retained austenite destabilization was initiated by the stress relaxation related with material cracking. © 2016, Polish Academy of Sciences. All rights reserved.
Cechy publikacji
original article
peer-reviewed
Inne
System-identifier
idp:102448
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