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技術文章

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當前位置:首頁技術文章數(shù)顯式玻璃軟化點測試儀(吊絲法)

數(shù)顯式玻璃軟化點測試儀(吊絲法)

更新時間:2014-07-16點擊次數(shù):1245

數(shù)顯式玻璃軟化點測試儀(吊絲法)型號:DPRH-I

 

該儀器的測試原理是將定規(guī)格的玻璃絲試樣置于電爐中均勻加熱,玻璃絲受熱后,因本身重量而伸長,當溫度升至玻璃絲的伸長速度為1mm/min時,此時的溫度即相當于玻璃的粘度為4.5*106Pa.s時的溫度。把玻璃拉成絲長為235mm+1mm,電爐加熱,用投影攝像千分尺測量絲長度變化,其測量的數(shù)值就是膨脹值。

參數(shù):

                            

1.測試方法:吊絲法測試;

2.使用溫度:1000℃

3.度:小于0.5%;

4.計時度:0.1秒

 

 

 

 

 

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