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However, real materials such as multi-phase steels are a heterogeneous material on the microscopic scale (microstructure).
We need to know the local mechanical properties of each phase separately in those materials for development of new materials and for modeling.
Major disadvantages by testing of multiphase materials [1, 2] are: 1.
J Ulm, Nanoindentation analysis as a two-dimensional tool for mapping the mechanical properties of complex surfaces, Journal of Materials Research 24 (2011)
Ulm, K.J Van Vliet, Grid indentation analysis of composite microstructure and mechanics: Principles and validation, Materials Science and Engineering A 430 (2006) 189-202

This complex can applied in ink or anti-counterfeiting materials.
Experiment Materials.
Fig.5 Thermal stability of TDPNDC The concept of thermal stability is that if the material can keep stability of property when it is heated.
Acknowledgments The work is supported by National Nature Science Foundation of China (No.21376008).
[5] Hong Chen, Zhusheng Cheng: Journal of East China Institute of Chemical Technology Vol.18 (1992), p.628

However, the particle size of thus prepared materials exceeded 100 nm.
Materials and Methods The target phosphor was obtained using a procedure based on mixed acetate decomposition.
This design of the installation provided a significant enhancement of microwave impact intensity onto the processed materials.
Sychov, Luminescent Materials on the Basis of Yttrium Oxide and Yttrium Aluminum Garnet Used for Photodynamic Therapy, Key Engineering Materials 670 (2016) 232-238
Pandey, Synthesis and Characterization of Eu+++ Doped Y2O3 (Red Phosphor) and Tb+++ Doped Y2O3 (Green Phosphor) by Hydrothermal Processes, World Journal of Nano Science and Engineering 2(1) (2012) 13-18

The higher the temperature, the more rules crystal materials.
Semiconductors as their unique band structure of materials can be used as photocatalytic materials.
Experiments show that materials of the microwave synthesis have excellent photocatalytic properties.
Qu, Preparation and visible-light activity of silver vanadate for the degradation of pollutant, Materials Research Bulletin, 43(2008) 2986-2997
Huang, In situ DRIFT and kinetic studies of photocatalytic degradation on benzene vapor with visible-light-driven silver vanadates, Journal of Hazardous Materials, 178(2010)644-651

In additive manufacturing, more commonly known as 3D printing, a data is used to build a part by depositing materials.
Khedkar, T.P.Singh, “Investigation Of The Effect Of Built Orientation on Mechanical Properties and Total Cost of FDM Parts”, Procedia Materials Science, vol. 6, pp. 1625 –1630, 2014
Ahn, “Measurement of Anisotropic Compressive Strength of Rapid Prototyping Parts”, Journal of Materials Processing Technology, vol. 187–188, pp. 627–630, 2007
Pregger, “Effect of Layer Orientation on Mechanical Properties of Rapid Prototyped Samples”, Materials and Manufacturing Processes, vol.15 no. 1, pp. 107-12, 2000
Wright, “Anisotropic material properties of fused deposition modeling ABS”, Rapid Prototyping Journal, vol. 8 no. 4, pp. 248 – 257, 2002

The article presents a developed original model designed to increase the efficiency of the processes of the design of adaptive image analysis methods used for detection of surface defects in materials.
The methods presented in this paper make it possible to accelerate design process, including testing of algorithms developed for a wide range of surface defects, such as: cracks, discoloration, loss of materials, geometric distortion, or even the presence of defect agglomerations caused by corrosion, without the need for the acquisition of the physical image of the actual objects.
This is linked with the need to have extensive knowledge, covering topics from many areas, such as mechanics, automatics, electronics, computer science, optics, etc.
For analysis, two types of defects were selected: corrosion and material losses.
[10] Patrikar R., Modeling and simulation of surface roughness, Applied Surface Science 228.1 (2004), pp. 213-220

Kuzemsky, Unconventional and exotic magnetism in carbon-based structures and related materials, International Journal for Modern Physics B. 27 (2013) 1330007
Robertson, Amorphous carbon, Current Opinion in Solid State and Materials Science 1 (1996) 557-561
Tunmee, Structural analysis and electrical properties of amorphous carbon thin films, Materials Science Forum 966 (2019) 66-71
Astuti, Darminto, Study on phase, molecular bonding, and bandgap of reduced graphene oxide prepared by heating coconut shell, Materials Science Forum 827 (2015) 285-289
Koike, Darminto, Comparative study on magnetism of reduced graphene oxide (rGO) prepared from coconut shells and the commercial product, Materials Science Forum 966 (2019) 290-295

So for PG to be utilized in the building materials industry, the first step is improving PG to eliminate the impurities.
Acknowledgements This research was funded by Guizhou Province Science and technology Fund (2010-2123).
Journal of ShanDong Jiao Tong University. 10, 49-52, (2002)
Journal of WuHan University Of Technology. 23, 6-11, (2001)
Utilization of by-product Phosphogypsum for building materials.

Materials Letters, 2009. 63(13): p. 1125-1127
Materials Letters, 2009. 63(13-14): p. 1121-1124
Computational Materials Science, 2014. 81: p. 246-248
Materials Science and Engineering: A, (0)
Materials Letters, 2013

Also, the raw material quality must to satisfy for customers.
Acknowledgment This study is funded by the Taiwan National Science Council under project number NSC100-2410-H-214-005-MY2.
IBM Systems Journal Vol. 32 (1993), pp. 4-16
Decision Science Vol. 36 (2005), pp. 97-133
Journal of Business Research 42(1), 53-62