scholarly journals Efficiency of Application of (Mo, Al)N-Based Coatings with Inclusion of Ti, Zr or Cr during the Turning of Steel of Nickel-Based Alloy

Coatings ◽  
2021 ◽  
Vol 11 (11) ◽  
pp. 1271
Author(s):  
Alexey Vereschaka ◽  
Filipp Milovich ◽  
Nikolay Andreev ◽  
Nikolay Sitnikov ◽  
Islam Alexandrov ◽  
...  
Keyword(s):  
Wear Resistance ◽  
Protective Properties ◽  
Wear Resistant Coatings ◽  
Composition And Structure ◽  
Nickel Based Alloy ◽  
Scratch Tests ◽  
1045 Steel ◽  
Coated Carbide ◽  
Coated Carbide Tools ◽  
Active Formation

The article compares the properties of multilayer composite wear-resistant coatings of Zr–ZrN–(Zr, Mo, Al)N, Ti–TiN–(Ti, Mo, Al)N, and Cr–CrN–(Cr, Mo, Al)N. The investigation was focused on hardness, resistance to fracture during scratch tests, elemental composition, and structure of the coatings. Experiments were carried out to study the wear resistance of coated carbide tools during the turning of 1045 steel and of NiCr20TiAl heat-resistant nickel alloy. With the elemental compositions identical in the content of molybdenum (Mo) and aluminium (Al), identical thicknesses and nanolayer periods of λ, the coatings being studied demonstrated a noticeable difference in wear resistance. Both during the turning of steel and nickel-based alloy, the highest wear resistance was detected for tools with the Zr–ZrN–(Zr, Mo, Al)N coating (the tool life was 3–5 times higher than for uncoated tools). The good wear resistance of the Zr–ZrN–(Zr, Mo, Al)N coating may be related to the optimal combination of hardness and plasticity and the active formation of molybdenum oxide (MoO3) on the coating surface during the cutting, with good tribological and protective properties.

Performance of Alloyed CVD-Coated and PVD-Coated Carbide Tools in Dry Machining Nickel Based Alloy Inconel718

2012 ◽  
Vol 426 ◽  
pp. 118-121
Author(s):  
Dong Gao ◽  
Zhao Peng Hao ◽  
Rong Di Han ◽  
Yan Li Chang
Keyword(s):  
Thermal Conductivity ◽  
Cutting Force ◽  
Cutting Tools ◽  
Cutting Temperature ◽  
Tool Material ◽  
Dry Machining ◽  
Nickel Based Alloy ◽  
Tools Wear ◽  
Coated Carbide ◽  
Coated Carbide Tools

Nickel-based alloy Inconel718 is a difficult-to-cut material due to lower thermal conductivity, affinity to react with tool material, the cutting tools wear very rapidly due to the high cutting temperature and high cutting force. It is important to choose tool material reasonably. In this paper, cutting performance of the multi-layer CVD-coated (TiN/Al2O3/TiC) tool and PVD-coated (TiAlN) tool were evaluated by cutting temperature, cutting force, tool wear and tool life. The results showed that PVD-coated (TiAlN) tool was suitable for cutting Inconel718.

The Performances of Different Coated Carbide Drills when Drilling a Cast Nickel-Based Alloy

2012 ◽  
Vol 497 ◽  
pp. 41-45 ◽  
Author(s):  
C. Xue ◽  
W.Y. Chen
Keyword(s):  
Wear Resistance ◽  
Tool Wear ◽  
Cutting Force ◽  
Thrust Force ◽  
Force Measurement ◽  
Good Adhesion ◽  
Cutting Force Measurement ◽  
Nickel Based Alloy ◽  
Overall Performance ◽  
Coated Carbide

The performances of different coated carbide drills when drilling cast GH625 nickel-based alloy were evaluated in terms of tool wear and cutting force. Wear pattern observation and cutting force measurement were conducted under different cutting conditions. It was found that the drill coated with TiAlN/TiN showed the best overall performance among all the drill types tested. This drill type gave the longest tool life in terms of number of holes partly due to the excellent wear resistance of TiAlN/TiN multilayer. Besides, the thrust force and torque produced with this drill type were lower, which could be attributed to its good adhesion resistance and chip-ejection ability.

Tool Wear Analysis on Multi-Layered Coated Carbide Tools in Face Milling of AISI 1045 Steel

2010 ◽  
Author(s):  
Kyung-Hee Park ◽  
Patrick Y. Kwon
Keyword(s):  
Tool Wear ◽  
Flank Wear ◽  
Face Milling ◽  
Coating Materials ◽  
Aisi 1045 Steel ◽  
Aisi 1045 ◽  
1045 Steel ◽  
Coated Carbide ◽  
Coated Carbide Tools ◽  
Layer Coating

Face milling tests on AISI 1045 steel were performed to study the flank wear of multilayered coated carbide tools. The cutting tools were dual (TiN/TiAlN) and triple (TiN/Al2O3/TiCN) layered, coated carbide inserts processed by PVD and CVD respectively. As expected, the depth of cut (DOC) did not play an important role on the development of flank wear while the cutting speed had a significant role in the development of flank wear. Using confocal laser scanning microscopy (CLSM) and wavelet transform, the flank wear evolution was analyzed and abrasive wear was found to be a dominant tool wear mechanism. Adhesion of the work material was also observed after the carbide substrate was exposed. Edge chipping and micro-fracture were additional tool failure modes. After comparing the performance of the two inserts, we concluded that the dual layer coating was superior to the triple layer coating under various cutting conditions mainly due to the benefit coming from the coating processes themselves. It was claimed that the superior performance of the multilayer coating came from preventing the gross crack-induced removal of coating materials by propagating the fracture along the coating interfaces. However, no such observations were found in our milling experiment. Therefore, the hardness of the coating materials is the most important criteria for the development of flank wear.

scholarly journals Improving the microstructure and mechanical properties of laser cladded Ni-based alloy coatings by changing their composition: A review

2020 ◽  
Vol 59 (1) ◽  
pp. 340-351
Author(s):  
Lin Yinghua ◽  
Ping Xuelong ◽  
Kuang Jiacai ◽  
Deng Yingjun
Keyword(s):  
Mechanical Properties ◽  
Wear Resistance ◽  
Corrosion Resistance ◽  
Rare Earth ◽  
Composite Coatings ◽  
Single Element ◽  
Properties Of Coatings ◽  
Hard Particles ◽  
Microstructure And Mechanical Properties ◽  
Nickel Based Alloy

AbstractNi-based alloy coatings prepared by laser cladding has high bonding strength, excellent wear resistance and corrosion resistance. The mechanical properties of coatings can be further improved by changing the composition of alloy powders. This paper reviewed the improved microstructure and mechanical properties of Ni-based composite coatings by hard particles, single element and rare earth elements. The problems that need to be solved for the particle-reinforced nickel-based alloy coatings are pointed out. The prospects of the research are also discussed.

New Thermal Issues on the Modelling of Tool-Workpiece Interaction: Application to Dry Cutting of AISI 1045 Steel

2011 ◽  
Vol 223 ◽  
pp. 286-295 ◽  
Author(s):  
Cédric Courbon ◽  
Tarek Mabrouki ◽  
Joël Rech ◽  
Denis Mazuyer ◽  
Enrico D'Eramo
Keyword(s):  
Heat Flux ◽  
Hot Spot ◽  
Orthogonal Cutting ◽  
Chip Thickness ◽  
Contact Length ◽  
Dry Cutting ◽  
Aisi 1045 Steel ◽  
Aisi 1045 ◽  
1045 Steel ◽  
Coated Carbide

The present work proposes to enhance the thermal interface denition in Finite Element (FE) simulations of machining. A user subroutine has been developed in Abaqus/Explicit © to implement a new experimentally-based heat partition model extracted from tribological tests. A 2D Arbitrary-Lagragian-Eulerian (ALE) approach is employed to simulate dry orthogonal cutting of AISI 1045 steel with coated carbide inserts. Simulation results are compared to experimental ones over a whole range of cutting speeds and feed rates in terms of average cutting forces, chip thickness, tool chip contact length and heat flux. This study emphasizes that heat transfer and temperature distribution in the cutting tool are drastically in uenced by the thermal formulation used at the interface. Consistency of the numerical results such as heat flux transmitted to the tool, peak temperature as well as hot spot location can be denitively improved.

Enhancement of wear resistance of AISI 1045 steel by a two-step plasma treatment

Vacuum ◽  
2017 ◽  
Vol 145 ◽  
pp. 153-157 ◽  
Author(s):  
Shijing Lu ◽  
Bin Miao ◽  
Lu Song ◽  
Renguo Song ◽  
Kunxia Wei ◽  
...  
Keyword(s):  
Wear Resistance ◽  
Plasma Treatment ◽  
Aisi 1045 Steel ◽  
Aisi 1045 ◽  
1045 Steel
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