کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
10145746 | 1646368 | 2018 | 11 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Improved microwave heating and healing properties of bitumen by using nanometer microwave-absorbers
ترجمه فارسی عنوان
بهبود مایکروویو گرما و خواص بهبودی قیر با استفاده از نانومتر مایکروویو-جذب
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کلمات کلیدی
نانولوله های کربنی، گرافن، قیر معدنی، خواص خود درمانی، خواص رئولوژیکی، گرمایش مایکروویو،
موضوعات مرتبط
مهندسی و علوم پایه
سایر رشته های مهندسی
مهندسی عمران و سازه
چکیده انگلیسی
Two nanometer microwave-absorbers named as carbon nanotubes (CNTs) and graphene, were firstly used to improve the microwave heating and healing properties of bitumen under microwave irradiation. Surface textures of two nanometer microwave-absorbers, low-temperature cracking resistance and high-temperature rheological properties of modified bitumen during heating process were characterized. Initial self-healing temperature based on flow behavior index, exothermic rate and healing effects of bitumen were also tested. Results illustrated that CNTs and graphene improved the high-temperature rheological properties of basis bitumen, while they presented a worse effect on low-temperature cracking resistance. Exothermic rate of basis bitumen was only a quarter of that of graphene modified bitumen and one third of that of CNTs modified bitumen. After 12â¯h of rest time, the healing indexes of basis bitumen, graphene modified bitumen and CNTs modified bitumen were 13.89%, 69.15% and 75.20% respectively. Nanometer microwave-absorbers significantly accelerated the heating process and modified bitumen had better healing effects than basis bitumen.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Construction and Building Materials - Volume 189, 20 November 2018, Pages 757-767
Journal: Construction and Building Materials - Volume 189, 20 November 2018, Pages 757-767
نویسندگان
Chao Li, Shaopeng Wu, Zongwu Chen, Guanyu Tao, Yue Xiao,