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ı have a little problem for this problem i found 2 different answer...
Question:İf there Are 400 grains per square inch on photomicrigraph of a ceramic material at 200x.What is its ASTM grain-size number...?
Thanks for your attention...
Question:İf there Are 400 grains per square inch on photomicrigraph of a ceramic material at 200x.What is its ASTM grain-size number...?
Thanks for your attention...