Corrosion behaviour of two stainless steels and a chromium cast iron in phosphoric acid contaminated with S2− ions

1996 ◽  
Vol 31 (17) ◽  
pp. 4599-4602 ◽  
Author(s):  
H. Idrissi
Keyword(s):  
Cast Iron ◽  
Phosphoric Acid ◽  
Stainless Steels ◽  
Corrosion Behaviour ◽  
Chromium Cast Iron

Microstructural Characterization, Tribological and Corrosion Behaviour of Forged and Cast Grinding Balls a Comparative Study

2021 ◽  
Vol 406 ◽  
pp. 334-347
Author(s):  
Khedidja Bouhamla ◽  
Amel Gharbi ◽  
Oualid Ghelloudj ◽  
Ali Hadji ◽  
Maouche Hichem ◽  
...  
Keyword(s):  
Cast Iron ◽  
Comparative Study ◽  
Wear Behavior ◽  
Corrosion Behaviour ◽  
Wear Behaviour ◽  
High Chromium ◽  
Grinding Balls ◽  
Corrosion Tests ◽  
High Chromium Cast Iron ◽  
Chromium Cast Iron

Various facilities are used in mineral processing to prepare raw material. Practically, two types of balls are used, cast balls and forged balls. They are respectively made from high chromium cast iron and forged steel and are supplied in different sizes and chemical compositions. The cast and forged balls have different microstructures and consequently display dissimilar wear behavior. The target aimed in this work is to achieve a comparative study taking into account the type of microstructure, mechanical properties, and wear behavior of these two kinds of materials. Specimens have undergone chemical, metallographic and XRD characterizations. Subsequently, these samples were subjected to hardness measurements, abrasion and friction tests in order to evaluate their wear behaviour. Tribological tests, under unlubricated environment, are carried out on both types of grinding balls in order to study the wear system. Corrosion tests are also performed on forged steel and high chromium cast iron ball samples. The obtained results reveal a large difference in terms of chemical composition and microstructural components. Chromium cast iron balls are more resistant to friction, whereas forged balls are more resistant to abrasion. Additionally, the corrosion tests reveal a narrow discrepancy in corrosion behaviour between the studied materials.

Multiple Regression Corrosion Models and Corrosion Mechanism of High Chromium Cast Iron under Phosphoric Acid Medium Condition

2014 ◽  
Vol 941-944 ◽  
pp. 1367-1371
Author(s):  
Liu Jie Xu ◽  
Bao Yuan Li ◽  
An Heng Si ◽  
Shi Zhong Wei
Keyword(s):  
Weight Loss ◽  
Cast Iron ◽  
Phosphoric Acid ◽  
Acid Medium ◽  
Acid Concentration ◽  
Corrosion Property ◽  
High Chromium ◽  
High Chromium Cast Iron ◽  
Chromium Cast Iron ◽  
Phosphoric Acid Concentration

The corrosion property of high chromium cast iron was test under different phosphoric acid medium concentration. On the base of experimental data, the binary equation model of corrosion weight loss (W) versus phosphoric acid concentration and corrosion time (c, t) was built using multiple regression analysis, which can predict corrosion property of high chromium cast iron effectively. The prediction results show that the corrosion weight loss rises lineally with increasing corrosion time, and the corrosion rate rises quadratically with increasing phosphoric acid concentration. The corrosion failure mechanism is that chromium composite carbides (M7C3) stand out of matrixes surface after the matrixes composed of martensite and austenite are corroded firstly, then the M7C3 carbides drop out of matrixes when the matrixes can not wrap M7C3 carbides, resulting gradual corrosion of high chromium cast iron. The prediction values have sufficiently mined the basic domain knowledge of corrosion process of high chromium cast iron under phosphoric acid medium. Therefore, a new way of predicting corrosion property according to corrosion conditions was provided by the authors.

scholarly journals Classic and local analysis of corrosion behaviour of graphite and stainless steels in polluted phosphoric acid

2007 ◽  
Vol 52 (7) ◽  
pp. 2580-2587 ◽  
Author(s):  
H. Iken ◽  
R. Basseguy ◽  
A. Guenbour ◽  
A. Ben Bachir
Keyword(s):  
Phosphoric Acid ◽  
Stainless Steels ◽  
Corrosion Behaviour ◽  
Local Analysis

Corrosion behaviour of aisi 304l and 316l stainless steels prepared by powder metallurgy in the presence of sulphuric and phosphoric acid

1998 ◽  
Vol 40 (8) ◽  
pp. 1421-1434 ◽  
Author(s):  
E Otero ◽  
A Pardo ◽  
M.V Utrilla ◽  
E Sáenz ◽  
J.F Álvarez
Keyword(s):  
Powder Metallurgy ◽  
Phosphoric Acid ◽  
Stainless Steels ◽  
Corrosion Behaviour ◽  
Aisi 304L

Comparative corrosion behaviour of stainless steels and their welds in wet-process phosphoric acid

2021 ◽  
pp. 1-12
Author(s):  
K. Chandra ◽  
A. P. Singh ◽  
Amrita Mahanti ◽  
Niraj Kumar ◽  
Vicky Gautam ◽  
...  
Keyword(s):  
Phosphoric Acid ◽  
Stainless Steels ◽  
Corrosion Behaviour ◽  
Wet Process

ABK METAL

Alloy Digest ◽  
1953 ◽  
Vol 2 (11) ◽  
Keyword(s):  
Wear Resistance ◽  
Compressive Strength ◽  
Cast Iron ◽  
Physical Properties ◽  
Tensile Properties ◽  
Heat Treating ◽  
Brake Shoe ◽  
Nickel Chromium ◽  
Chromium Cast Iron

Abstract ABK Metal is a nickel-chromium cast iron with excellent wear resistance, recommended for severe abrasive service. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and compressive strength. It also includes information on wear resistance as well as casting, heat treating, machining, and joining. Filing Code: CI-4. Producer or source: American Brake Shoe Company.

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