Borosilicate glass Flashcards

1
Q

What are the characteristics of borosilicate glass?

A

~ B2O3 added in lieu of Na2O

~ glass melts at temps near those of soda lime, but lower alkali content = chemical durability (Na+ tied up as CHARGE COMPENSATORS)

~ composition is selected to be at the CTE MINIMUM fo the borate anomaly

~ good thermal shock resistance

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2
Q

What is borosilicate glass known as?

A

~ pyrex

~ used in cooking/baking ware

~ used at Savannah River site

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