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Carbon fiber reinforced cement improved by using silane-treated carbon fibers
The tensile strength of cement paste was increased by 56% and the modulus and ductility were increased by 39% by using silane-treated carbon fibers and silane-treated silica fume, relative to the values for cement paste with as-received carbon fibers and as-received silica fume. Silane treatment of fibers and silica fume contributed about equally to the strengthening. Silane treatment of fibers and silica fume also decreased the air void content. The strengthening and air void content reduction were less when the fiber treatment involved potassium dichromate instead of silane and even less when the treatment involved ozone. Silane's effectiveness is due to its hydrophilic nature.
Carbon fiber reinforced cement improved by using silane-treated carbon fibers
The tensile strength of cement paste was increased by 56% and the modulus and ductility were increased by 39% by using silane-treated carbon fibers and silane-treated silica fume, relative to the values for cement paste with as-received carbon fibers and as-received silica fume. Silane treatment of fibers and silica fume contributed about equally to the strengthening. Silane treatment of fibers and silica fume also decreased the air void content. The strengthening and air void content reduction were less when the fiber treatment involved potassium dichromate instead of silane and even less when the treatment involved ozone. Silane's effectiveness is due to its hydrophilic nature.
Carbon fiber reinforced cement improved by using silane-treated carbon fibers
Xu, Yunsheng (author) / Chung, D.D.L. (author)
Cement and Concrete Research ; 29 ; 773-776
1999
4 Seiten, 15 Quellen
Article (Journal)
English
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