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![]() Õª Òª£º ÒԸ߲ôÁ¿·Ûú»ÒÁ×ËáÑÎË®ÄàΪ»ùÌ壬¶ÌÇÐ̼ÏËάΪ¹¦ÄܲÄÁÏ£¬ÖƱ¸³öÁËÁ×ËáÑÎË®Äà̼ÏËά¸´ºÏ²ÄÁÏ(PCFC)£¬Í¬Ê±ÖƱ¸ÁË̼ÏËά¹èËáÑλù¸´ºÏ²ÄÁÏ(CFRC)£¬²¢ÀûÓÃѹÁ¦ÊÔÑé»ú¡¢½»Á÷µçÇźÍSEM¶Ô¶þÕߵĻù±¾Á¦Ñ§ÐÔÄÜ¡¢µ¼µçÐÔÄܼ°ÄÚ²¿Ì¼ÏËά·Ö²¼½øÐÐÁ˶ԱÈÑо¿¡£´ËÍ⻹¿¼²ìÁË̼ÏËά²ôÁ¿¡¢ÁäÆÚ¶ÔPCFCµ¼µçÐÔÄܵÄÓ°Ïì¡£½á¹û±íÃ÷£¬PCFCÏà±ÈCFRCÔÚͬµÈ̼ÏËά²ôÁ¿µÄÇé¿öÏÂÁ¦Ñ§ÔöǿЧ¹û¸üºÃ¡¢µ¼µçÐÔÄܸüΪÓÅÔ½£»SEMÕÕÆ¬ÏÔʾ̼ÏËά²ôÁ¿½Ï¸ßʱ£¬PCFCÖеÄ̼ÏËά·ÖÉ¢µÃ¸üºÃ£»ÔÚ̼ÏËά²ôÁ¿³¬¹ý1.4%ʱ£¬ÁäÆÚ¶ÔPCFCµÄµ¼µçÐÔÓ°Ïì½ÏС£¬¾ßÓÐÁ¼ºÃµÄµ¼µçÎȶ¨ÐÔ¡£ Abstract: The mechanical and electrical properties of both phosphate cement carbon fiber composites (PCFC) and carbon fiber reinforced cement composites (CFRC) were prepared and measured. PCFC sample was formed by using phosphate cement with high volume of fly ash as matrix, while CFRC sample was prepared by using Portland cement as matrix. The same short cut carbon fiber was used in the both composites samples as the conductivity components. A comparative study on PCFC and CFRC's mechanical properties, electrical conductivity and the internal distribution of carbon fiber was carried out by using pressure testing machine, AC bridge and SEM respectively. The results showed that comparing with CFRC, PCFC is easy to be prepared but also higher in mechanical properties reinforced effect and higher in electrical conductivity when they have same carbon fiber dosage. SEM image shows the distribution of carbon fiber in PCFC is better than that of CFRC when the both composites contain higher carbon fiber dosage. When carbon fiber dosage is higher than 1.4wt.%, aging time has a little effect on electrical conductivity of PCFC, and thus has an excellent stable electrical property. |
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1506243009(fjtony163´ú·¢): ½ð±Ò+44, ´ú·¢ 2016-05-19 13:57:50
fjtony163: ·ÒëEPI+1, ´ú·¢ 2016-05-19 13:57:56
1506243009(fjtony163´ú·¢): ½ð±Ò+44, ´ú·¢ 2016-05-19 13:57:50
fjtony163: ·ÒëEPI+1, ´ú·¢ 2016-05-19 13:57:56
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Õª Òª£º ÒԸ߲ôÁ¿ ·Ûú»Ò Á×ËáÑÎË®Äà Ϊ»ùÌ壬¶ÌÇÐ̼ÏËά Ϊ ¹¦ÄܲÄÁÏ£¬ÖƱ¸³öÁË Á×ËáÑÎË®Äà ̼ÏËά ¸´ºÏ²ÄÁÏ(PCFC)£¬Í¬Ê± ÖÆ±¸ÁË Ì¼ÏËά ¹èËáÑÎ »ù ¸´ºÏ²ÄÁÏ(CFRC)£¬²¢ÀûÓà ѹÁ¦ÊÔÑé»ú¡¢½»Á÷µçÇÅ ºÍ SEM ¶Ô¶þÕßµÄ »ù±¾Á¦Ñ§ÐÔÄÜ¡¢µ¼µçÐÔÄÜ ¼° ÄÚ²¿ ̼ÏËά ·Ö²¼ ½øÐÐÁË ¶Ô±ÈÑо¿¡£´ËÍâ »¹¿¼²ìÁË Ì¼ÏËά²ôÁ¿¡¢ÁäÆÚ ¶ÔPCFC µ¼µçÐÔÄÜ µÄÓ°Ïì¡£½á¹û±íÃ÷£¬PCFCÏà±È CFRCÔÚ Í¬µÈ̼ÏËά²ôÁ¿µÄ Çé¿öÏ Á¦Ñ§ÔöǿЧ¹û¸üºÃ¡¢µ¼µçÐÔÄܸüΪÓÅÔ½£»SEMÕÕÆ¬ÏÔʾ̼ÏËά²ôÁ¿½Ï¸ßʱ£¬PCFCÖеÄ̼ÏËά·ÖÉ¢µÃ¸üºÃ£»ÔÚ̼ÏËά²ôÁ¿³¬¹ý1.4%ʱ£¬ÁäÆÚ¶ÔPCFCµÄµ¼µçÐÔÓ°Ïì½ÏС£¬¾ßÓÐÁ¼ºÃµÄµ¼µçÎȶ¨ÐÔ¡£ Abstract: Based on high-volume fly ash phosphate cement as substrate, short carbon fiber as function materials, we prepared PCFC and CFRC. In addition, we conducted a comparative analysis on basic mechanical property, conductivity, and distribution of internal carbon fiber of these two materials using compression-testing machine, alternating current bridge, and SEM. Moreover it also investigated the influence of carbon fiber content and age on conductivity of PCFC. Results show that under the condition of equal carbon fiber content, PCFC has stronger mechanical effect and better conductivity as compared with CFRC; SEM images show that under the condition of high carbon fiber content, carbon fiber dispersion in PCFC is better; When carbon fiber content exceeds 1.4%, conductivity of PCFC is less affected by carbon fiber age, therefore PCFC has a higher conductive stability. |
2Â¥2016-04-18 22:08:46
1506243009
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- ½ð±Ò: 657.4
- Ìû×Ó: 54
- ÔÚÏß: 38.3Сʱ
- ³æºÅ: 3796763
- ×¢²á: 2015-04-08
- ÐÔ±ð: GG
- רҵ: Ë®ÄàÓëÄÍ»ð²ÄÁÏ

3Â¥2016-04-18 22:23:55
Î人һÐÄÒ»Òë
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- ·ÒëEPI: 502
- Ó¦Öú: 8 (Ó×¶ùÔ°)
- ½ð±Ò: 2283.1
- É¢½ð: 5914
- ºì»¨: 32
- Ìû×Ó: 1665
- ÔÚÏß: 321.9Сʱ
- ³æºÅ: 3587652
- ×¢²á: 2014-12-10
- ÐÔ±ð: GG
- רҵ: ¸ß·Ö×Ӻϳɻ¯Ñ§
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