بررسي ﺧﻮاص ﻣﮑﺎﻧﯿﮑﯽ ﻧﺎﻧﻮﮐﺎﻣﭙﻮزﯾﺖ ذره اي Al-TiO2 ﺳﺎﺧﺘﻪ ﺷﺪه ﺑﻪ روش رﯾﺨﺘﻪ ﮔﺮي ﮔﺮداﺑﯽ

در ﻋﺼﺮ ﻧﻮﯾﻦ اﺳﺘﻔﺎده از ﮐﺎﻣﭙﻮزﯾﺖﻫﺎي زﻣﯿﻨـﻪ آﻟـﻮﻣﯿﻨﯿﻤﯽ ﺑـﻪ ﻋﻠـﺖ ﻧﺴﺒﺖ اﺳﺘﺤﮑﺎم ﺑﻪ وزن ﺑﺎﻻ از دﯾﮕﺮ ﻧﻤﻮﻧﻪ ﮐﺎﻣﭙﻮزﯾﺖﻫﺎ ﭘﯿﺸﯽ ﮔﺮﻓﺘﻪاﻧﺪ. ﺑﻪ ﻋﻼوه اﯾﻦ ﮐﺎﻣﭙﻮزﯾﺖﻫﺎ داراي ﺧﻮاﺻﯽ ﭼﻮن ﻣﻘﺎوﻣﺖ ﺑﻪ ﺳﺎﯾﺶ ﺑـﺎﻻ، ﺳﺨﺘﯽ ﻣﻄﻠﻮب، ﭼﮕﺎﻟﯽ ﮐﻢ، و ﻗﯿﻤﺖ ﻣﻨﺎﺳـﺐ ﻧﯿـﺰ ﻣـﯽ ﺑﺎﺷـﻨﺪ. ﺗﻘﻮﯾـﺖ ﮐﻨﻨﺪهﻫﺎي ذرهاي ﺑﺎ اﯾﺠﺎد ﺧﻮاص ﯾﮑﺴﺎن در ﺟﻬﺎت ﻣﺨﺘﻠﻒ و ﺳـﻬﻮﻟﺖ اﺳﺘﻔﺎده در ﮐﺎﻣﭙﻮزﯾﺖ، ﻣﺰﯾﺖﻫﺎي ﺧﻮﺑﯽ را اﯾﺠﺎد ﮐﺮده اﻧـﺪ. اﺳـﺘﻔﺎده از ذرات ﻧﺎﻧﻮ ﺑﻪ ﺟﺎي ﻣﯿﮑﺮو ﺑﺎ وﺟﻮد ﺳﻄﺢ آزاد ﺑﯿﺸﺘﺮ ﺧـﻮاص را ﺑـﻪ ﻧﺤـﻮ ﭼﺸﻤﮕﯿﺮي اﻓﺰاﯾﺶ ﺧﻮاﻫﻨﺪ داد. از ﺑﯿﻦ روشﻫﺎي ﺗﻮﻟﯿﺪ ﮐﺎﻣﭙﻮزﯾﺖﻫﺎي زﻣﯿﻨﻪ ﻓﻠﺰي، روش رﯾﺨﺘﻪﮔﺮي ﮔﺮداﺑﯽ ﺑـﻪ دﻟﯿـﻞ ﺻـﺮﻓﻪي اﻗﺘﺼـﺎدي و ﺗﻮﯾﺪ اﻧﺒﻮه و در اﻧﺪازهﻫـﺎي ﺑـﺰرگ ﺳـﻬﻢ ﻋﻤـﺪه اي از ﺗﻮﻟﯿـﺪ اﯾـﻦ ﻧـﻮع ﻣﺤﺼﻮل را ﺑﻪ ﺧﻮد اﺧﺘﺼﺎص داده اﺳـﺖ. ﻧـﺎﻧﻮ ﮐﺎﻣﭙﻮزﯾـﺖ ذره اي Al-TiO2 در درﺻﺪﻫﺎي ﻣﺨﺘﻠـﻒ ﻓـﺎز ﺗﻘﻮﯾـﺖ ﮐﻨﻨـﺪه ، ﺳـﺎﺧﺘﻪ و ﺧـﻮاص ﻣﮑﺎﻧﯿﮑﯽ آن ﻫﻤﭽﻮن ﺗﺨﻠﺨﻞ، اﺳـﺘﺤﮑﺎم ﮐﺸﺸـﯽ و ﻣﯿﮑﺮوﺳـﺨﺘﯽ ﻧﯿـﺰ ﻣﻮرد آزﻣﺎﯾﺶ ﻗﺮار ﮔﺮﻓﺘﻪ ﺷﺪ.

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