EVALUATION OF WEAR AND CORROSION RESISTANCE OF TITANIUM AND STAINLESS STEEL JOINTS Made OF Al, Cu AND Ni

Tribologia ◽  
2018 ◽  
Vol 282 (6) ◽  
pp. 149-156
Author(s):  
Bartłomiej SZWED ◽  
Marek KONIECZNY
Keyword(s):  
Stainless Steel ◽  
Corrosion Resistance ◽  
Galvanic Corrosion ◽  
Pure Titanium ◽  
Corrosion Current ◽  
Sulphuric Acid Solution ◽  
Frictional Pair ◽  
Wear And Corrosion ◽  
Titanium Grade ◽  
Wear And Corrosion Resistance

In the present study, commercial pure titanium (Grade 2) was joined to the stainless steel (X5CrNi18-10) by diffusion bonding using aluminium, copper, and nickel as interlayers (100 μm). The investigation focuses on comparing the wear and corrosion resistance of the obtained diffusion joints. The microstructure of the joints was investigated using scanning electron microscopy equipped with an energy dispersive X-ray system (EDS) to determine the chemical composition of joint. The value of friction force and the wear resistance of diffusion bonded joints were carried out by block-on-ring frictional pair, preformed on the tribological tester T-05. The study was carried out under conditions of technically dry friction for the concentrated sliding contact loaded with 300 N. The friction distance for each test was 400 m. The results show that the maximum values of the friction coefficient and mass loss were obtained for joints with a nickel interlayer. The galvanic corrosion tests were carried out in 0.5 M Na2SO4 solution acidified to pH 1 with a sulphuric acid solution. The potentiodynamic polarization curves show that the lowest corrosion current was registered for the joints performed by copper.

ALLEGHENY LUDLUM TYPE 420

Alloy Digest ◽  
2000 ◽  
Vol 49 (8) ◽  
Keyword(s):  
Stainless Steel ◽  
Corrosion Resistance ◽  
Physical Properties ◽  
Tensile Properties ◽  
Heat Treating ◽  
Wear And Corrosion ◽  
Wear And Corrosion Resistance ◽  
Chromium Stainless Steel

Abstract Allegheny Ludlum Type 420 is a hardenable, straight-chromium stainless steel with wear and corrosion resistance. This datasheet provides information on composition, physical properties, hardness, and tensile properties. It also includes information on corrosion resistance as well as forming, heat treating, and machining. Filing Code: SS-801. Producer or source: Allegheny Ludlum Corporation.

NIROSTA 4031

Alloy Digest ◽  
2005 ◽  
Vol 54 (4) ◽  
Keyword(s):  
Stainless Steel ◽  
Corrosion Resistance ◽  
Physical Properties ◽  
Tensile Properties ◽  
Heat Treating ◽  
Wear And Corrosion ◽  
Wear And Corrosion Resistance

Abstract Nirosta 4031 (Type 420) is a martensitic grade of stainless steel that is heat treatable and has wear and corrosion resistance. It is predominately used in the quenched-and-tempered condition. Typical applications are blades and shears for all types of cutting. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on corrosion resistance as well as heat treating, machining, and joining. Filing Code: SS-925. Producer or source: ThyssenKrupp Nirosta GmbH.

Study on Behavior of Ni-Based and Fe-Based Hardfacing Alloys in Plant Valves with Laser Cladding

2011 ◽  
Vol 287-290 ◽  
pp. 2267-2270
Author(s):  
Ai Qin Xu ◽  
Ge Yan Fu ◽  
Chen Wang ◽  
Hui Zhang ◽  
Shuang Liu ◽  
...  
Keyword(s):  
Stainless Steel ◽  
Corrosion Resistance ◽  
Laser Cladding ◽  
Laser Processing ◽  
Processing Parameters ◽  
Dense Microstructure ◽  
Wear And Corrosion ◽  
Wear And Corrosion Resistance

Two new kinds of Ni-based and Fe-based alloy power have been developed. Both kinds of power have been successfully coated by laser cladding on the surface of stainless steel as strengthening layers. The morphology and microstructure of these coatings have been analyzed by SEM and XRD, the mircohardness, wear and corrosion resistance of Ni-based and Fe-based laser cladding coatings have been measured respectively. The analysis reveals that both coatings with smooth and successive surfaces and homogeneous morphology have been obtained under the proper laser processing parameters; besides, Ni-based and Fe-based coatings have fine, well-proportioned and dense microstructure, and better joints with the substrates, respectively. So the results indicate that Ni-based and Fe-based alloys can supersede the cobalt-based alloys in the certain conditions.

NIROSTA 4120

Alloy Digest ◽  
2005 ◽  
Vol 54 (5) ◽  
Keyword(s):  
Stainless Steel ◽  
Corrosion Resistance ◽  
North America ◽  
Physical Properties ◽  
Tensile Properties ◽  
Heat Treating ◽  
Standard Type ◽  
Wear And Corrosion ◽  
Wear And Corrosion Resistance

Abstract NIROSTA 4120 (Modified Type 420), is a ferritic/martensitic grade of stainless steel that is heat treatable with wear and corrosion resistance. The corrosion resistance is due to the addition of molybdenum over the standard type 420 compositions. NIROSTA 4120 is predominately used in the quenched and drawn condition. Typical applications are in blades and knives for all types of cutting. This datasheet provides information on composition, physical properties, microstructure, hardness, elasticity, and tensile properties. It also includes information on corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: SS-928. Producer or source: Krupp Thyssen Nirosta North America Inc.

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