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Besides material itself is heterogeneity, there are other defects as follows: various micro-cracks, micro-holes and so on, the mechanical parameters of each phase material are not determined values but random.
But the result is opposite for material with low uniformity.
Bazant and M.R Tabbara: Journal of Engineering Mechanics Vol 116 (1990), p. 1686 [2] C.
Zhu: Numerical test of damage and rupture of concrete (Beijing science publishing company, China 2003)
Wang Tsinghua Science and Technology Vol 36(1996), p.84

The results deviate considerably from that reported for MAX phase coatings and bulk materials.
Radovic, Mechanical Properties of the MAX Phases, Encyclopedia of Materials: Science and Technology.
Zhou et al., Rapid synthesis of Ti2AlC by spark plasma sintering technique, Materials Letters. 59(1) (2005) 131-134
Sonestedt et al., Microstructure of high velocity oxy-fuel sprayed Ti2AlC coatings, Journal of Materials Science. 45(10) (2010) 2760-2769
Series: Materials Science and Engineering 18 (2011) 082025

Materials Science Forum Vols. *** (2004) pp.32-36 online at http://scientific.net  2004 Trans Tech Publications, Switzerland Development of a Cutting Database System with Prediction and Analysis Functions Y.
Introduction Over the past few decades, the range of engineering materials increased greatly and meanwhile various cutting tools that are capable of machining these materials appeared.
Materials Science Forum Vols. *** 35 In the user interface, there are many buttons, text, and bitmaps in user interface, which makes it convenient to operate.
The results and causes are analyzed and the solutions Fig.3 The interface of turning operation Fig.4 Tool failure patterns analysis Advances in Materials Manufacturing Science and Technology 36 are provided.
Hashmi: Journal of Materials Processing Technology Vol. 55 (1995), p. 123 [8] M.

The material used in the calculations is taken to be stainless steel that has substantial strain hardening and moderate strain rate sensitivity [8].
Stress-strain curves are plotted in Fig. 2, the relation between true stress and true strain is taken to be strictly bilinear for each value of plastic strain rate .The relative density of the square honeycomb core, , defined as the ratio of average density of the core to the density of material .
The dynamic responses of the square honeycomb sandwich plates are compared with solid plates of the same material and equal mass per unit area subjected to impulse loads.
Acknowledgements This work was financially supported by the National Natural Science Foundation of China (11172330) and Doctor Innovation Fund of Naval University of Engineering (HGYJSCXJJ2012005).
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Lebedeva, Development of aviation paint coatings, All materials, Encyclopedic reference. 5 (2012)
[5] Laser cleaning of surfaces, RITM mechanical engineering journal. 7 (2019) 17-19
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Mishra, Effect of friction stir processing on the microstructure of cast A356 aluminum, Materials Science and Engineering A 433 (2006) 269–278
Pancholi, Effect of microstructural inhomogeneity on superplastic behaviour of multipass friction stir processed aluminium alloy, Materials Science & Engineering A 561 (2013) 78–87
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Komazak, Improvement of mechanical properties of aluminum die casting alloy by multi-pass friction stir processing, Materials Science and Engineering A 437 (2006) 274–280

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The selection of these materials allows to obtain a high corrosion resistance electrolytic pair, by replacing the high cost platinum electrode usually employed in the alkaline electrolysis process.
There are several materials that can be used as electrodes in alkaline electrolysis.
Platinum and gold are technically the most suitable materials to be used as electrodes.
Materials and Methods Reactor Project The objective of the electrolytic reactor project is to maximize the contact area of the electrodes with the electrolyte.
The Cyprus Journal of Science and Technology (2004). p. 41

Introduction Nowadays, nanotechnology is essential for the development of novel materials useful in the engineering and medical sector.
Nair, and Henu Kumar Verma, Nanotechnology based drug delivery system: Current strategies and emerging therapeutic potential for medical science, Journal of Drug Delivery Science and Technology 63 (2021): 102487. 10.1016/j.jddst.2021.102487
Review of current findings, challenges and future perspectives, International Journal of Nanomedicine 16 (2021): 5713. 10.2147/ijn.s327334 [3] Ha, Juyoung, Novel Applications of Nanoparticles in Nature and Building Materials, Novel Nanomaterials; IntechOpen: London, UK (2021): 331
Extract by microwave method and its prophylactic effects on Toxoplasma gondii infection, Saudi Journal of Biological Sciences 28, no. 11 (2021): 6454-6460. 10.1016/j.sjbs.2021.07.007 [24] Ramesh, P., K.
Beena, A novel greener synthesis of ZnO nanoparticles from Nilgiriantusciliantus leaf extract and evaluation of its biomedical applications, Materials Today: Proceedings 46 (2021): 3062-3068. 10.1016/j.matpr.2021.02.498 [27] Naser, Rania, Rana Abu-Huwaij, Iqbal Al-khateeb, Manal M.

The investigation on this relation is an important and technologically relevant aim of modern materials science.
Polycrystalline materials constitute an important class of heterogeneous materials [3].
Many materials of technological interest (metals, ceramics) present a polycrystalline microstructure.
The microstructure of polycrystalline materials can be investigated by using different experimental techniques [5,6].
Hori: Micromechanics: overall properties of heterogeneous materials (North-Holland, Elsevier, The Netherlands, 1999)