Design and Optimization of Mechanical Properties of Reduced-Graphene Oxide- Loaded Cement

سال انتشار: 1398
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 483

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شناسه ملی سند علمی:

JR_JCEMA-2-3_005

تاریخ نمایه سازی: 2 مهر 1398

چکیده مقاله:

Graphene oxide (GO) is a graphite-based product. GO prepare a new distance to interact with cement matrix. GO due to the high specific surface area, high intrinsic mobility and high Young’s modulus leads to a remarkable enhancement in mechanical properties of cementitious material matrix. In the present study, the effect of reduced-graphene oxide (r-GO) on the mechanical properties of Portland cement paste was investigated. Response surface methodology based on central composite design (CCD) was used to predict the interaction effects of curing time (7-21 days) and GO amount (0.02-0.1%) on the compressive strength and flexural strength of the r-GO–cement composite. By optimization of parameters, the compressive strength and flexural strength was increased by 48% and 74% compared with cement without r-GO. The obtained results demonstrated that the r-GO is a promising filler of cement-based composites to enhance the mechanical properties of cement

نویسندگان

Matin Taheri

Department of civil Engineering, Islamic Azad University, Electronic branch, Tehran, Iran.

Ali Ramazani

Department of civil Engineering, K. N. Toosi University of Technology, Tehran, Iran.

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