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However, it is one of the most difficult-to-machine materials due to its mechanical characteristics.
Chippings are the key barrier of drilling high-quality holes on hard-brittle materials (such as glass, advanced ceramics).
In hard-brittle materials drilling process, the features of chippings are regarded as the important criteria to evaluate the holes quality.
Xu: Key Engineering Materials.
Treadwell: Journal of Manufacturing Science and Engineering.

Materials and Methods Materials.
The raw materials of Smooth Cayenyoungas pineapple was selected from pineapple planting base of Xuwen county of Guangdong Province, and blade types are divided into old leaves and young leaves.
D., A review on pineapple leaf fibers,sisal fibers and their biocomposites [J] .Macromolecular Materials and Engineering, No 289 (2004),p. 955-974
Song: JOURNAL OF TEXTILE RESEARCH, No 1 (1998), p.62-63
Wan, et al: GUANGDONG AGRICULTURAL SCIENCES, (2009)

Based on the previous study, different introduced varieties were used as materials in this test for the identification and varieties selection of tomato resistant to late blight, by measuring the DIS of inoculated seedlings and detached leaves.
Materials and methods Materials.
Employ different tomato varieties O-33-1, A-10, 25-1 of Russia, Fugui, Kuiguan, Qingshou, Jianhuang of china and Naiyun 2000, Jingle 502 of Japan as the experimental materials.
[3] Xiangui Yin, Yun Zhang and Qifeng Yang: Southwest China Journal of Agricultural Sciences, 2004, 17(6), 797-797, in Chinese
[6] Chaowei Bi, Zhongkang Wang and Xingbi Che: Southwest China Journal of Agricultural Sciences, 2003, 16(1): 68- 70, in Chinese

Xu: Key Engineering materials Vol. 416 (2009), p. 514 [9] E.
Li: Material Science and Engineering A 409, p. 108 (2005) [24] H.
Bergheau: Journal of Materials Processing Technology Vol. 201 (2008), p. 590 [27] T.
Fuji: Journal of Manufacturing Science and Engineering, ASME, Vol. 122 (2000), p. 297 ff [32] X.
Malkin: Journal of Manufacturing Science and Engineering, Vol. 123 (2001) No. 2, p. 191 ff [33] F.

B4C powder from M/s Regal Carbide Dies Pvt Ltd, New Delhi and MWCNTfrom M/S US Research Nano Materials Inc, USA are used as initial material for fabricationprocess.
Rawal, Lockheed Martin Space Systems–Aeronautics Operations, Advanced Structures and Materials and Thermal Control Group, Denver, Colorado.
Copyright held by The Minerals, Metals& Materials Society, 2001 [2]P.M.
Nanocomposite science and technology.
Journal of Achievements in Materials and ManufacturingEngineering Volume 31 Issue 2 December 2008 [8]Manjunath ,Dinesh Fabrication and Properties of dispersedcarbonnanotubeAl6061,Composites- International Journal of Innovative Research in Science,Engineering and Technology 2013,2:500- 507 [9] Umma A, Maleque M.A, Iskandar I.Y Mohammed Y.A Carbon Nano tube Reinforced Aluminium Matrix Nano-Composite: a Critical Review Australian Journal of Basic and Applied Sciences, 2012 6(12): 69-75 [10] LubnaRais,Rajneesh Sharma Vimal Sharma Synthesis and structural characterization of Al- CNT Metal matrix composite using Physical Mixing Method IOSR Journal of Applied Physics 2013, 5: 54-57 [11] Rajmohan T Palanikumar K Arumugam S Synthesis and characterization of sintered hybrid aluminium matrix composites reinforced with nano copper oxide particles and micro silicon Carbide particles Composites: Part B 2014 59 :43–49 [12] P. karapappas, A.

Acknowledgements The research work is supported by the National Science Foundation of China (No.10902004).
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Matthews: Journal of Composite Materials Vol.33 (1999), p.2248-2280 [8] Composites Design Manual.

Vaia, Polymer Nanocomposites, Journal of Polymer Science: Part B: Polymer Physics. 45 (2007) 3252–3256
Ajayan, Emerging Applications of Elemental 2D Materials, Advanced Materials. 32 (2020) 1–22
Albermany, Impact of polymer molecular weights and graphene nanosheets on fabricated PVA-PEG/GO nanocomposites: Morphology, sorption behavior and shielding application, AIMS Materials Science. 9 (2022) 584–603
Al-Bermany, New fabricated PMMA-PVA/graphene oxide nanocomposites: Structure, optical properties and application, Journal of Composite Materials. 55 (2021) 2793–2806
Mohammed, Optical properties of pure and doped PVA:PEO based solid polymer blend electrolytes: two methods for band gap study, Journal of Materials Science: Materials in Electronics. 28 (2017) 7473–7479

Introduction Increased demands for precision components made of brittle materials such as optical glasses and advanced ceramics are such that conventional grinding and polishing techniques can no longer meet the requirements of today’s precision engineering.
Diamond cutting is a promising alternative to grinding and polishing techniques for fabricating high quality surfaces on brittle materials as a well-defined single point tool is more predictable than a multi-point grinding wheel [1-3].
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Lee: Sadhana-Academy Proceedings in Engineering Sciences Vol. 28 (5) (2003), p. 945 [5] M.
Ngoi: Journal of Materials Processing Technology.

Gupta, Effect of Length Scale of Al2O3 Particulates on Microstructural and Tensile Properties of Elemental Mg, Materials Science and Engineering A. 425 (2006) 22-27
Schoenung, Investigation of Aluminum-Based Nanocomposites with Ultra-High Strength, Materials Science and Engineering A. 527 (2009) 305-316
Wyatt, The Microstructure and Mechanical Properties of TiC and TiB2-Reinforced Cast Metal Matrix Composites, Journal of Materials Science. 34 (1999) 933-940
Ownby, The Wettability of Titanium Diboride by Molten Aluminium Drops, Journal of Materials Science. 40 (2005) 2301-2306
Grant, Refinement of TiB2 in Al-Ti-B Grain Refiner Alloys by Ultrasound and the Effect on Al Grain Size, Materials Science Forum. 654-656 (2010) 958-961.

Andrew, A study on ultrasonic vibration cutting of low alloy steel, Journal of Materials Processing Technology Vol. 192–193 (2007), p. 159 [10] Chandra Nath, M.
Silberschmidt, Analysis of material response to ultrasonic vibration loading in turning Inconel 718, Materials Science and Engineering: A Vol. 424 (2006), p. 318 [14] Jerald L.
Silberschmidt, Finite element simulations of ultrasonically assisted turning, Computational Materials Science Vol. 28 (2003), p. 645 [17] A.V.
Silberschmidt, Finite element analysis of ultrasonically assisted turning of Inconel 718, Journal of Materials Processing Technology Vol. 153–154 (2004), p. 233 [18] V.I.
Silberschmidt, Thermomechanical finite element simulations of ultrasonically assisted turning, Computational Materials Science Vol. 32 (2005), p. 463 [21] N.