how many maximum samples can be placed in furnace during sintering process. For an idea two images with different arrangement (no of samples) are attached.
The number of samples depends on sintering furnace capacity.
The sintering process of powdered materials is conducted at elevated temperatures (usually above 1800°F) and, depending on application, in an inert, reducing, or oxidizing atmosphere. The sintering process of powdered metals is intimately related to ceramic sintering. Automated powdered metal sintering furnaces can overcome challenges such as process contamination, limited processing capabilities, reliability and operating costs. Automated systems such as a pusher furnace or kiln can sinter parts in boats while being moved through the heating system. The heating system consists of a preheat section, a heating section and cooling section. Typically, gas fired systems feature a muffle with a protective atmosphere while electric fired systems, such as a sintering furnace for semiconductor manufacturing, do not require muffles to protect the ware.
As Dr. Glodeanu explains the number of samples depends on sintering furnace capacity, however if there is an accidental explosion it is possible that you can lost all the samples. For that reason we only risk three o five samples for each experience.
As much as you can.
Entirely depends on the sample size.
Capacity of the furnace should be considered.
For a somewhat related discussion, you may want to check: https://www.researchgate.net/post/How_can_I_know_the_shrinkage_percentage_in_1700_deg_C_small_furnace_when_adding_zirconia_tubes
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