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Introduction In recent decades, the development of depth sensing indentation equipment has permitted the easy and reliable determination of two of the most conventional mechanical properties of materials: the hardness and the Young’s modulus.
The mechanical properties of the material are presented in Table 2.
The material is considered isotropic, with isotropic work-hardening and described by the Swift law ( n 0)(K �+�=� ) where K, 0� and n are constants for each material.
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Sneddon, the Relation Between Load and Penetration in the Axisymmetric Boussineq Problem for a Punch of Arbitrary Profile, International Journal of Engineering Science, 3, (1965), 47.

Raw material The material used is the calcined kaolin which is crushed by Leimeng mill.
First, putting the powder in the hopper, then let the materials fall down and collect the materials in the container and weight it.
The weight of the materials is W1.The whole materials weight is W0.
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The Chinese Journal Of Nonferrous Metals Vol.10(1) (2000),p. 5

Materials Letters, 2013(112): 215-218
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Materials transactions, 2008, 49(6): 1474-1479

It can be of help to the research of high-speed hard cutting material, which has high rigidity.
GCr15 bearing steel, with a good heat treatment property, is extensively used for tool material.
The Hardness of quencher can reach HRC60-62 (property of material is presented in Table 2.
Acknowledgements The work is supported by National Natural Science Foundation of China (50575061) and Youth Science Foundation of Harbin (2004AFQXJO45).
Yan: Journal of Materials Processing Technology, Vol.129 (2002), pp.217-221

The thin wall material is F313, substrate material is 45 steel.
Acknowledge Supported by National Natural Science Foundation of China 51205266, Jiangsu Province Natural Science Foundation BK2011380, Suzhou Municipal Scientific Program of China SYG201326, China Postdoctoral Science Foundation 2012M511798, and Jiangsu Planned Projects for Postdoctoral Research Funds 1101121C.
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Key Engineering Materials.
Key Engineering Materials.

FE analysis of RUC Materials.
The matrix is treated as an isotropic elastoplastic material.
ANSYS 10.0 offers a 3D bilinear model (TB, ANISO, 1) for orthotropic materials comprising bilinearity in both normal and shear stress components [5].
Acknowledgements This work was financially supported by the National Natural Science Foundation of China (No.10972155).
Huang, “Flax/PP Weft Knitted Thermoplastic Composites and its Tensile Properties”, Journal of Reinforced Plastics and Composites, 2010, Vol.29, No. 12: 1820-1825 [5] ANSYS, 10.0.

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It makes sense that algal oil might be used to lubricate coated low-friction steel components and that it works well to lubricate friction mechanisms using WC/C & metal coated components (in range of systemic materials) (WC/C - tungsten carbide carbon layer) [8].
Microalgae oil is great for lubrication of combinations of materials: WC/C & WC/C, WC/C & steel, steel & WC/C, steel & steel and it has excellent antiwear and antiseizure properties [8].
Microalgal bio-oils also have better antiwear and antiseizure properties and lubricating effectiveness is almost twice in the coated material systems.
Elangovan, Wear and friction characterization of chlorella sp. microalgae oil based blended lubricant on pin on disc tribometer, Materials Today: Proceedings, 2020, 33, pp. 3063–3067
[5] Dharitri Borah, Subramanian Gopalakrishnan, Thajuddin Nooruddin, Carbohydrate Biolubricants from Algae and Cyanobacteria, Journal of Polymers and the Environment, 2021, 29, pp. 3444–3458