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  1. Article: Graphite Nodularity Evaluation in High-Si Ductile Cast Irons.

    Riposan, Iulian / Anca, Denisa / Stan, Iuliana / Chisamera, Mihai / Stan, Stelian

    Materials (Basel, Switzerland)

    2022  Volume 15, Issue 21

    Abstract: Ferritic high-Si ductile cast irons replace an unstable mixed ferrite-pearlite matrix with a unique combination of high elongation, strength and hardness (ideal for automotive drive train components) and resistance to oxidation and corrosion at high ... ...

    Abstract Ferritic high-Si ductile cast irons replace an unstable mixed ferrite-pearlite matrix with a unique combination of high elongation, strength and hardness (ideal for automotive drive train components) and resistance to oxidation and corrosion at high temperatures (automotive exhaust and turbocharger systems). The present paper analyses the graphite parameters of 4.5%Si, un-inoculated ductile cast iron (4.7%CE, 0.035%Mg
    Language English
    Publishing date 2022-11-01
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2487261-1
    ISSN 1996-1944
    ISSN 1996-1944
    DOI 10.3390/ma15217685
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article: Graphite Compactness Degree and Nodularity of High-Si Ductile Iron Produced via Permanent Mold versus Sand Mold Casting.

    Anca, Denisa-Elena / Stan, Iuliana / Riposan, Iulian / Stan, Stelian

    Materials (Basel, Switzerland)

    2022  Volume 15, Issue 8

    Abstract: In recent years, high-Si ductile cast irons (3-6% Si) have begun to be used more and more in the automotive and maritime industries, but also in wind energy technology and mechanical engineering. Si-alloyed ferrite has high strength, hardness and ... ...

    Abstract In recent years, high-Si ductile cast irons (3-6% Si) have begun to be used more and more in the automotive and maritime industries, but also in wind energy technology and mechanical engineering. Si-alloyed ferrite has high strength, hardness and oxidation and corrosion resistance, but it has low ductility, toughness and thermal conductivity, with graphite as an important influencing factor. In this study, 4.5% Si uninoculated ductile iron solidified in thin wall castings (up to 15 mm section size) via a permanent (metal) mold versus a sand mold, was evaluated. Solidification in a metal mold led to small size, higher graphite particles (less dependent on the section size). The graphite particles' real perimeter was 3-5% higher than the convex perimeter, while the values of these parameters were 41-43% higher in the sand mold. Increasing the casting section size led to an increased graphite perimeter, with it being much higher for sand mold. The graphite particles' shape factors, involving the maximum and minimum size, were at a lower level for metal mold solidification, while by involving the difference between P
    Language English
    Publishing date 2022-04-07
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2487261-1
    ISSN 1996-1944
    ISSN 1996-1944
    DOI 10.3390/ma15082712
    Database MEDical Literature Analysis and Retrieval System OnLINE

    More links

    Kategorien

    Order via subito

    This service is chargeable due to the Delivery terms set by subito. Orders including an article and supplementary material will be classified as separate orders. In these cases, fees will be demanded for each order.

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