How Many Beta Phases Are Involved in Turkish Cymbal Making?

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Turkish cymbal making involves a beta phase characterized by a tin ratio of 23% to 25% and specific heating temperatures between 625 to 780 degrees. The discussion highlights the existence of a narrow triangle in phase diagrams, indicating a singular beta phase, although there are mentions of multiple beta phases like beta 1 and beta 2. The cooling process is also crucial, as quick cooling can make the cymbal easier to work with, while prolonged high-temperature exposure may enhance hardness. Questions remain about the optimal cooling method and whether a waiting period after heating is necessary. Understanding these factors is essential for achieving the desired properties in cymbal production.
Mustafa Umut
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I am researching Turkish cymbal making technology and I discovered and learned that they made in beta phase.
Beta phase comes within % 23 to % 25 tin ratio and 625 to 780 - not exactly , you must look to diagram - degrees heat.
I found few phase diagrams and it seems to me there is only one beta phase in diagrams , very norrow triangle.
But I found some chat about beta phases and they are talking about beta 1 or beta 2 and others.
Do you know how many strange beta phases hidden inside B diagram ?
And is it enough to heat the disc to cherry red and put into the water or is there a time to wait as necessary waiting time ?

Best regards ,

Mustafa Umut Sarac
Istanbul
 
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Hi Mustafa...we seem to be on a similar path. I know from casting bronze that when you cool it quickly it becomes easier to work (soft) and I have heard that if you hold it at high temperature for say half an hour it becomes much harder than you would expect. So maybe the benefit of holding it at that temperature may be lost by the quick cooling that follows...or it may make it a stronger cymbal...
 

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