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Analysis of fracture behavior of Metal/Ceramic Functionally Graded Materials under Thermal Stress Cheng FAN Center for Material Failure Modeling Research, Dalian University, Dalian 116622, China fancheng@dlu.edu.cn Keywords: Thermal stress, Functionally graded materials, Crack propagation, Fracture Mechanism Thermal barrier coatings Abstract.
Heterogeneity of Materials.
The shape parameteris defined as the homogeneous index of the materials.
Acknowledgements This work is supported by the Dalian Science and Technology Foundation (No. 2009J22DW033).
Weibull: Journal of Applied Mechanics. 18(1951), p.293

The material properties of some specimens in Long et al.[18] are listed in Table 1.
Acknowledgements This research was supported by National Natural Science Foundation of China (Grant No.51008085) and National Natural Science Foundation of China (Grant No.51108095).
[4] Uy B: Journal of Constructional Steel Research, Vol. 57 (2001), p. 114-134
[5] Han L-H:Journal of Constructional Steel Research, Vol. 58 (2002), p. 353-372
[21] Han L.H: Concrete-filled steel tubular structures: Theory and practice (China Science Press, Beijing 2007), in Chinese.

Composite materials continue to grow in popularity within the aerospace industry as the preferred material for manufacturing large airframe structures.
However, the popularity of composite materials has also led to the increase in composite waste.
As the popularity of composite materials continues to grow, the proper management and recycling of these composite waste materials becomes increasingly crucial to the sustainability of the environment.
Today, the utilization of composite materials has become the standard in the aerospace industry.
Soutis: Materials Science and Engineering A Vol. 412 (2005), p.171-176 [2] C.

These materials are widely used in engineering application like machine tool part, automobile, medical appliance and aircraft structure etc.
Turning operation is carried out using EMCO CNC 250 Turn machine tool with Carbide inserts on selected work piece materials.
Table 2 shows the surface roughness and their Signal to Noise ratio results for all the three materials.
Depth of Cut (mm) 1.0 1.5 2.0 0.05 0.15 0.30 1.2 1.6 2.0 Table 2: Surface roughness & their S/N ratio for three materials Exp. no.
Shanmughasundaram et al “Influence of graphite and machining parameters on the surface roughness of Al-fly ash/graphite hybrid composite: A Taguchi approach”, Journal of Mechanical Science and Technology, 27 (2013) 2445-2455

Journal of Natural Gas Science and Engineering.
Journal of Petroleum Science and Engineering. 196 (2021)
Journal of Petroleum Science and Engineering.
Journal of Natural Gas Science and Engineering. 77 (2020)
Journal of Natural Gas Science and Engineering. 57 (2018). 295-304

Materials Science and Engineering A Vol.435-436 №{TTP}8470 5(2006),p.62
Journal of Materials Processing Technology Vol.99 №{TTP}8470 1(2000),p.145
Journal of Materials Processing Technology Vol.53 №{TTP}8470 3-4(1995),p.684
Journal of Materials Processing Technology Vol.101(2000),p.186
Journal of Materials Processing Technology Vol.103 (2000),p. 218

Four kinds of organic materials are selected for different ratios.
Amani: Experimental Thermal & Fluid Science.
Harikrishnan: Materials Today.
Fang: International Journal of Refrigeration.
Yang: Solar Energy Materials & Solar Cells.

Tungsten carbide - Cobalt (WC-Co) reinforced metal matrix composites are most commonly used as tool and die materials.
Tungsten carbide cobalt metal matrix composites are used as tool and die materials [1].
[5] Jun Qu, Laura Riester, Albert J Shih, Ronald O Scattergood, Edgar Lara-Curzio and Thomas R Watkins, “Nanoindentation characterization of surface layers of electrical discharge machined WC–Co ,’’ Materials Science and Engineering: A, 344 (1-2), (2003), p. 125-131
Naagarazan), “Mathematical modelling for electric discharge machining of aluminium–silicon carbide particulate composites”, Journal of Materials Processing Technology, 87 (1-3), (1999), p. 59-63
Singh, "MRR Improvement in Sinking Electrical Discharge Machining: A Review", Journal of Minerals & Materials Characterization & Engineering, 9 (8), (2010), p. 709-739,

The market of thermal insulation materials is characterized by the domination of two groups of products: organic thermal insulation materials and inorganic thermal insulation materials [4].
However, there are few reports about the combination of glazed hollow bead and other types of gel materials in making thermal insulation materials.
Kamino, H.Seki, Journal of Materials Science, 34 (1999) 2461-2468
Wang, Insulation Materials and Building Energy Saving, 9 (2004) 44
Wang, Materials Letters, 73 (2012) 36-39

Anikeev, Investigating the effect of carbide disperse particles on hardness and wear resistance of experimental materials in cast and deformed conditions, Indian Journal of Science and Technolog, 8 (2015) 1-7
Leontieva, Materials Science, Machine building, Moscow, 1990
Pryakhin, Materials Science, Himizdat, Saint Petersburg, 2007
Chumanov, Experiments on obtaining nanostructured metallic materials and their investigation, Materials Science Forum, 843 (2016) 139-144
Belyaev, The materials strength, Science, Moscow, 1965.