Empirical Comparison of Sliding Friction and Wear Behaviors of Gray and White Cast Iron

2010 ◽  
Author(s):  
Mehdi Hashemi ◽  
Rahmatollah Ghajar
Keyword(s):  
Cast Iron ◽  
Friction And Wear ◽  
Sliding Friction ◽  
Gray Cast Iron ◽  
White Cast Iron ◽  
Volume Fraction ◽  
Gray Cast ◽  
Graphite Flake ◽  
Lubricant Property ◽  
Wear Tests

In this paper, sliding friction and wear behaviors of gray cast iron A35 and white cast iron manufactured by quenching from the same cast iron in water were studied and compared by employing pin-on-disk wear tests. Microstructure of the worn surfaces before and after the wear tests were investigated by optical microscope observations. These images show that flakes separated from the surface in gray cast iron due to delamination process, while in white cast iron, the separation of materials from its surface is in the form of powder. In addition, the gray cast iron had higher graphite volume fraction with Type-A graphite flake morphology. The results show that white cast iron has less rate of wear than gray cast iron due to the higher hardness. However, gray cast iron because of presenting graphite flakes in its surface (lubricant property) has lower average coefficient of friction.

Metallic reinforcements role on aluminum silicon composites wear behavior

2016 ◽  
Vol 51 (19) ◽  
pp. 2805-2812 ◽  
Author(s):  
G Miranda ◽  
M Buciumeanu ◽  
MM Costa ◽  
F Bartolomeu ◽  
FS Silva ◽  
...  
Keyword(s):  
Cast Iron ◽  
Gray Cast Iron ◽  
Wear Behavior ◽  
Microstructural Characterization ◽  
Gray Cast ◽  
Wear Performance ◽  
Particulate Reinforced Composites ◽  
Particulate Reinforced ◽  
Wear Tests ◽  
Aluminum Silicon

This study is concerned with the influence of four metallic reinforcements on aluminum-silicon (AlSi) composites, with respect to wear behavior. AlSi-Ti; AlSi-Ti6Al4V; AlSi-1.4301 stainless steel and AlSi-Ni particulate reinforced composites were produced by a hot-pressing route. Microstructural characterization showed a uniform distribution of the reinforcing particles in the AlSi matrix. Reciprocating pin-on-plate wear tests were performed for AlSi and AlSi-based composites against gray cast iron plates. In order to compare the effect of different metallic particulates on the AlSi-based composites/gray cast iron tribopair wear performance, besides the pin, the counterface was also analyzed. The particle/matrix interface is analyzed in order to understand its influence on the tribopair behavior and on the controlling wear mechanisms. It was shown that the better compromise between both sliding surfaces performance was attained by AlSi-Ni/gray cast iron tribopair.

Friction and wear behavior of TaC ceramic layer formed in-situ on the gray cast iron

2019 ◽  
Vol 135 ◽  
pp. 181-188 ◽  
Author(s):  
Nana Zhao ◽  
Yurong Zhao ◽  
Yiqi Wei ◽  
Xin Wang ◽  
Jie Li ◽  
...  
Keyword(s):  
Cast Iron ◽  
Friction And Wear ◽  
Gray Cast Iron ◽  
Wear Behavior ◽  
Ceramic Layer ◽  
Gray Cast ◽  
Friction And Wear Behavior

Grey Cast Iron Strength аs Function оf Primary Austenite Dendrites Volume Fraction

2020 ◽  
Vol 299 ◽  
pp. 729-733
Author(s):  
A.A. Baron ◽  
L.V. Palatkina ◽  
I.L. Gonik
Keyword(s):  
Composite Material ◽  
Cast Iron ◽  
Ultimate Strength ◽  
Primary Structure ◽  
Gray Cast Iron ◽  
Volume Fraction ◽  
Grey Cast Iron ◽  
Gray Cast ◽  
Grey Cast ◽  
Quantitative Contribution

On the basis of approach to primary structure of gray cast iron as to an analog of the composite material, reinforced by discrete fibers, the quantitative contribution of dendritic crystals and the eutectic matrix to ultimate strength in tension is defined.

Effect of carbides on the wear resistance of white cast iron alloyed with 12.7 wt.-% Cr and nickel

2020 ◽  
Vol 62 (8) ◽  
pp. 788-792
Author(s):  
Tanju Teker ◽  
S. Osman Yilmaz ◽  
Tekirdağ Teker
Keyword(s):  
Heat Treatment ◽  
Wear Resistance ◽  
Cast Iron ◽  
White Cast Iron ◽  
Volume Fraction ◽  
High Wear Resistance ◽  
Homogeneous Distribution ◽  
Nickel Concentration ◽  
Carbide Size ◽  
Wear Tests

Abstract White cast iron with about 12.7 wt.-% chromium was alloyed with Ni, W and Mo for heat treatment applications. Heat treatments were performed at a range of 850-1050 °C for 1 h in order to distribute M7C3 carbides homogeneously in an environment of high wear resistance. The contents of the C, Cr, Ni, Mo, Mn and Si elements selected for the alloys were similar, though a 6 wt.-% nickel concentration was chosen. Microstructural changes in the specimens were examined by scanning electron microscopy (SEM) and optical microscopy (OM). Macro-hardness, average carbide size and volume fraction were analyzed. Wear tests were carried out under different loads of 10, 20 and 30 N. It was seen that heat treatment changed the carbide size and homogeneous distribution of the carbides. Moreover, the addition of nickel to HCrWCI increased fracture toughness and reduced the wear rate.

Application of the Hydraulic Diameter of Interdendritic Space for Calculating the Ultimate Tensile Strength of Gray Cast Iron

2021 ◽  
Vol 410 ◽  
pp. 74-79
Author(s):  
Aleksandr A. Baron ◽  
Lyubov' V. Palatkina ◽  
Stanislav V. Palatkin
Keyword(s):  
Tensile Strength ◽  
Cast Iron ◽  
Comparative Analysis ◽  
Ultimate Tensile Strength ◽  
Gray Cast Iron ◽  
Volume Fraction ◽  
Hydraulic Diameter ◽  
Gray Cast ◽  
Iron Castings ◽  
Interdendritic Space

A comparative analysis of methods for estimating the gray cast iron ultimate tensile strength σu by the hydraulic diameter of interdendritic space DHydIP and the volume fraction of primary austenite dendrites fdc is performed. Almost the same accuracy of cast iron castings σu estimation according to both these parameters DHydIP and fdc of the primary microstructure is shown.

Usability of Boron as an Alloying Element in Gray Cast Iron Rollers and its Effect to Abrasive Wear Behaviour

2012 ◽  
Vol 445 ◽  
pp. 331-336
Author(s):  
Cemal Meran ◽  
Mehmet Yuksel
Keyword(s):  
Cast Iron ◽  
Wear Rate ◽  
Abrasive Wear ◽  
Gray Cast Iron ◽  
Operating Conditions ◽  
Gray Cast ◽  
Wear Behaviour ◽  
Sliding Speed ◽  
Abrasive Wear Behaviour ◽  
Wear Tests

In this study, usability of boron as an alloy element in gray cast iron and its effect to abrasive wear behaviour were investigated. Pin-on-drum wear tests at the room temperature carried out for seven low nickels alloyed gray cast irons with different boron addition. The mass losses, hardness values and microstructures for gray cast iron specimens with different boron alloyed were investigated for determining wear behaviour. The pin for the wear tests was manufactured from X210Cr12 cold work tool steel with material number of 1.2080. Abrasive pin-on-drum wear tests were carried out at a 165 N constant load and two different sliding speeds that are closely related to the appropriate operating conditions in rolling mills. The experimental studies have shown that wear rate decrease with increasing boron amount in chemical composition of the alloy and the wear rate at high sliding speed has decreased more rapidly than the rate at the low sliding speed with increasing boron amount.

scholarly journals Effect of solid lubricants on friction and wear behaviour of alloyed gray cast iron

Sadhana ◽  
2012 ◽  
Vol 37 (5) ◽  
pp. 569-577 ◽  
Author(s):  
ARAVIND VADIRAJ ◽  
M KAMARAJ ◽  
V S SREENIVASAN
Keyword(s):  
Cast Iron ◽  
Friction And Wear ◽  
Gray Cast Iron ◽  
Solid Lubricants ◽  
Gray Cast ◽  
Wear Behaviour
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