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Based on the research on the quality of grinding surface of engineering ceramics, the engineering materials can be widely used.
Brittle and Plastic property coexist in material removal of the surface.
Brittle and Plastic property coexist in material removal of the surface.
Chinese Journal of Mechanical Engineering. 2010.46(13):186-191(in Chinese) [5] WU Yan , ZHAO Bo.
Journal of Shanghai Jiaotong University. 2006.40(12):2169-2172 (in Chinese) [6] Hong M S.

Popovics, Analysis of the concrete strength versus water-cement ratio relationship, ACI Materials Journal. 87 (5) (1990) 517–529
Kabir, Flexural Strength and Compressive Strength Relations of Spent Foundry Sand Concrete, ACI Materials Journal. 116 (6) (2019) 205-211.
Walker, Effects of aggregate size on properties of concrete, ACI Materials Journal. 57 (13) (1960) 283-297
Muthukannan, Expanded Fly Ash Clay Aggregate a Sustainable Alternative Coarse Aggregate for Concrete, Journal of Materials and Engineering Structures. 5 (4) (2018) 347–353
Chang-Hoon, Compressive Behavior and Mechanical Characteristics and Their Application to Stress-Strain Relationship of Steel Fiber-Reinforced Reactive Powder Concrete, Advances in Materials Science and Engineering.

Preface This issue of the journal focuses on the advances in engineering science with special attention to the building materials and materials for environmental applications.
The main topics include Constructional and Engineering Materials, Structure of materials characterization and testing, the Influence of An Infill, Environmental and Green Materials. the content in this issue provides a modern view of the aims in the development of environmentally friendly building materials and solving the problems associated with environmental safety and enhancement and the achievement of sustainable development also the current issue deal with anew research in green engineering.

[3] L.C.Chang, C.D.Dong et.Chromium Contamination in Sediments of Love River mouth,Taiwan,Advanced Materials research Vols.634-638(2013),p.160
JOURNAL OF LAKE SCIENCES,2002,14(3):235-241.In Chinese [5] Jain C K.
Pakistan Journal of Biological Sciences, 2005, 8(10): 1337-1341
Canadian Journal of Fisheries and Aquatic Sciences, 1996, 53(2): 244-252
Journal of Gansu Sciences, 2003,15(1) :35-38.

Since GaN materials have so many advantages, experts at home and abroad have carried out extensive studies on the use of GaN semiconductor materials in nuclear radiation detectors[6-9].
Results and Discussion The reverse breakdown voltage of the detector is related to the device structure, crystal materials of the epitaxial growth, and production of the electrodes.
Journal of Vacuum Science & Technology B, 1992, 10(4): 1237-1266
Journal of Applied Physics, 2009, Vol. 106: 103708
Atomic Energy Science and Technology, 2013, 47(5): 884-887.

This coating was designed for machining hardened materials, stainless steels and highly demanding applications.
Chen, An experimental study of tool wear and cutting force variation in the end milling of Inconel 718 with coated carbide inserts, Journal of Materials Processing Technology 180 (2006) 296–304
Dudzinski, Dry machining of Inconel 718, workpiece surface integrity, Journal of Materials Processing Technology 211 (2011) 1590–1598
Makrimallakis and col., Effect of cutting edge preparation of coated tools on their performance in milling various materials, CIRP Journal of Manufacturing Science and Technology 7 (2014) 264–273
[11] Recep Yigit, Erdal Celik, Fehim Findik, Sakip Koksal, Tool life performance of multilayer hard coatings produced by HTCVD for machining of nodular cast iron, International Journal of Refractory Metals & Hard Materials 26 (2008) 514–524

According to ISO 4049 (2009) [8], the water absorption of DRCs materials must be lower than 40 µg/mm3 and the solubility of these materials should be less than or equal to 7.5 µg/mm3.
Materials and Methods The monomer bisphenol A dimethacrylate (Bis-GMA) was purchased from (Esschem, Essington, PA, USA).
ISO. 4049 Dentistry–Polymer-based restorative materials.
Bonfield, Mechanical properties of hydroxyapatite reinforced poly(ethylmethacrylate) bone cement after immersion in a physiological solution: influence of a silane coupling agent, Journal of Materials Science: Materials in Medicine. 11 (2000) 491-7
Garcı́a-Godoy, Sorption and solubility of resin-based restorative dental materials, J.

The calculations on tubes deformation took account of information on materials, deformation energy, deformation mode as revealed in papers that illustrate the models proposed by Alexander, Wierbizck, Bhat and others.
At one end of the tube, opposite to the impact area, a cylinder-like supplementary weight, made of the same material as the tube, was added.
Robbersmyr, Development of lumped-parameter mathematical models for a vehicle localized impact, Journal of Mechanical Science and Technology 25 (7) (2011), 1737-1747
Sunghak et al., Effect of Troggering on the energy absorbtion capacity of axial compressed aluminium tubes, Materials and design, 20 (1999), 31-40
Vilarinho, Configurable thermal induced triggers for crashworthiness application, Proceedings of conference SMART’ 09- Smart Structures and Materials, Porto, Portugal, Julho de 2009

Therefore, the construction materials must comply with the required requirements.
Kim, Enhancing the tensile performance of ultra-high-performance concrete through strategic use of novel half-hooked steel fibers, Journal of Materials Research and Technology. 9.3 (2020): 2914-2925
Yoo, Enhancing the tensile performance of ultra-high-performance concrete through novel curvilinear steel fibers, Journal of Materials Research and Technology. 9.4 (2020): 7570-7582
Wang, Direct dynamic tensile study of concrete materials based on mesoscale model, International Journal of Impact Engineering. 143 (2020): 103598
Monteiro, Concrete: Microstructure, Properties, and Materials. 4th ed.

Materials and methods Materials Phragmites communis, Arundo donax, Typha oriental and Canna generalis are selected as the research objects in the experiment.
Wu: Chinese Journal of Applied Ecology, 5(2008), p.1131-1137
[3] Sasaki K, Ogino T, HodO, et al.: Materials Transactions, 2(2003), p.305-312
Li: Journal of Shandong Jianzhu University, 1(2011), p.55-60
Kuang: Journal of Lake Science, 2(2002), p.179-184.