Influence of Ultrafine Particles on Structure, Mechanical Properties, and Strengthening of Ductile Cast Iron

被引：0
|
作者：
Zykova, Anna [1 ]
Lychagin, Dmitry [2 ]
Chumaevsky, Andrey [3 ]
Popova, Natalya [4 ,5 ,6 ]
Kurzina, Irina [5 ,6 ]
机构：
[1] Natl Res Tomsk Polytech Univ, Sch Core Engn Educ, Tomsk 634050, Russia
[2] Natl Res Tomsk State Univ, Dept Mineral & Geochem, Tomsk 634050, Russia
[3] Russian Acad Soc, Siberian Branch, Inst Strength Phys & Mat Sci, Lab Qual Control Mat & Construct, Tomsk 634055, Russia
[4] Tomsk State Univ Architecture & Bldg, Lab Phys, Tomsk 634003, Russia
[5] Natl Res Tomsk State Univ, Chem Fac, Tomsk 634050, Russia
[6] Natl Res Tomsk State Univ, Lab High Energy & Special Mat, Tomsk 634050, Russia
来源：
METALS | 2018年 / 8卷 / 07期
基金：
俄罗斯基础研究基金会;
关键词：
ductile cast iron; modification; ultrafine powders; microstructure; tensile strength; wear resistance; yield strength; strengthening; MICROSTRUCTURE;
D O I：
10.3390/met8070559
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Integrated assessment of the influence of an ultrafine mixture TiO2 + ZrO2 + Na3AlF6 on the formation of the structure, mechanical properties, and strengthening of ductile cast iron was made in the paper. The structural-phase composition of ductile cast iron was studied by means of scanning electron microscopy and a transmission electron microscope. Plastic deformation was determined during testing of uniaxial compression. The change in the structural state of the alloy and in its mechanical properties was observed. Quantitative assessment of contributions of separate physical mechanisms to strengthening characteristics of unmodified and modified ductile cast iron was made.
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页数：14
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