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weichang
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prince_of_persia
- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ½ð±Ò: 1450.6
- ºì»¨: 1
- Ìû×Ó: 1248
- ÔÚÏß: 14.2Сʱ
- ³æºÅ: 726937
- ×¢²á: 2009-03-20
- ÐÔ±ð: GG
- רҵ: ½ðÊô·Ç¾§Ì¬¡¢×¼¾§ºÍÄÉÃ×¾§
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515825903931(½ð±Ò+1,VIP+0): 6-17 22:24
515825903931(½ð±Ò+1,VIP+0): 6-17 22:24
| keywords: self-propagating combustion synthesis, silicon carbide, preheating treatment, |

2Â¥2009-06-17 21:09:13
weichang
ľ³æ (ÖøÃûдÊÖ)
prince_of_persia
- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ½ð±Ò: 1450.6
- ºì»¨: 1
- Ìû×Ó: 1248
- ÔÚÏß: 14.2Сʱ
- ³æºÅ: 726937
- ×¢²á: 2009-03-20
- ÐÔ±ð: GG
- רҵ: ½ðÊô·Ç¾§Ì¬¡¢×¼¾§ºÍÄÉÃ×¾§
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515825903931(½ð±Ò+5,VIP+0): 6-17 22:24
515825903931(½ð±Ò+5,VIP+0): 6-17 22:24
|
study on synthesis of SiC at high temperature by self-propagation Silicon and carbon powders with different diameters and with the mole ratio of of 1:1 were used to synthesize SiC by self-propagating combustion. ²ÉÓò»Í¬Á£¾¶µÄ¹è·ÛÓë̼·ÛΪԲÄÁÏ£¬ÔÚĦ¶û±ÈΪ1£º1µÄÌõ¼þϽøÐÐ×ÔÂûÑÓȼÉպϳÉSiC¡£²¢Í¨¹ýXÉäThe synthesized product was analysized by X-ray diffraction (XRD), analysis of the particle size, and scanning electron microscope (SEM). ÏßÑÜÉä¡¢Á£¶È·ÖÎöÓëɨÃèµç¾µ¶ÔºÏ³É²úÎï½øÐзÖÎö¡£½á¹û±íÃ÷£ºÍ¨¹ý×ÔÂûÑÓȼÉÕ·½·¨¿ÉÒԺϳÉSiC£¬ºÏ³ÉSiCÁ£¶ÈÓë̼·ÛÁ£¶È´óСÓйء£The results showed that the diameter of SiC particles synthesized by self-propagating combustion was associated with the size of carbon powder. [ Last edited by weichang on 2009-6-17 at 21:26 ] |

3Â¥2009-06-17 21:23:50
weichang
ľ³æ (ÖøÃûдÊÖ)
prince_of_persia
- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ½ð±Ò: 1450.6
- ºì»¨: 1
- Ìû×Ó: 1248
- ÔÚÏß: 14.2Сʱ
- ³æºÅ: 726937
- ×¢²á: 2009-03-20
- ÐÔ±ð: GG
- רҵ: ½ðÊô·Ç¾§Ì¬¡¢×¼¾§ºÍÄÉÃ×¾§

4Â¥2009-06-17 21:25:32
monitor2885
ÖÁ×ðľ³æ (Ö°Òµ×÷¼Ò)
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- ½ð±Ò: 39476
- É¢½ð: 147
- ºì»¨: 22
- Ìû×Ó: 4994
- ÔÚÏß: 2174.2Сʱ
- ³æºÅ: 701577
- ×¢²á: 2009-02-15
- ÐÔ±ð: GG
- רҵ: Éú̬ϵͳÉú̬ѧ
¡ï ¡ï ¡ï
515825903931(½ð±Ò+3,VIP+0): 6-17 22:25
515825903931(½ð±Ò+3,VIP+0): 6-17 22:25
|
²ÉÓò»Í¬Á£¾¶µÄ¹è·ÛÓë̼·ÛΪԲÄÁÏ£¬ÔÚĦ¶û±ÈΪ1£º1µÄÌõ¼þϽøÐÐ×ÔÂûÑÓȼÉպϳÉSiC¡£²¢Í¨¹ýXÉäÏßÑÜÉä¡¢Á£¶È·ÖÎöÓëɨÃèµç¾µ¶ÔºÏ³É²úÎï½øÐзÖÎö¡£½á¹û±íÃ÷£ºÍ¨¹ý×ÔÂûÑÓȼÉÕ·½·¨¿ÉÒԺϳÉSiC£¬ºÏ³ÉSiCÁ£¶ÈÓë̼·ÛÁ£¶È´óСÓйء£ Combustion synthesis of SiC was completed using different sizes for the silica power and carbon power as raw materials, under 1:1 molar ratio conditions of self-propagating. By X-ray diffraction, particle size analysis and scanning electron microscopy were applied to analyze this synthetic product. The results show that this method, self-propagating combustion synthesis of SiC, was successful, and particle size of synthesis of SiC concerned particle size of carbon power. |

5Â¥2009-06-17 22:11:45
515825903931
Òø³æ (ÕýʽдÊÖ)
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- ½ð±Ò: 356
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6Â¥2010-03-29 09:08:15














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