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not exactly, I am not aware with electromagnetic devices, I am just seeking the proper type of linear motion actuator for a given froce/stroke ratio, and trying to imagine other mechanisms that may be emloyed, and trying to check for their practical limitations...I am just a beginner... Regards,

Ooops...it ought to be Replies...not replays.. Hacksaw: thaks for your reply accordind to your activity, you seems aware to magnetics more than (mechanical)... any papers concern using magnetic alloys in wire/strip form may be useful in better understanding and imagination to how could one...

Thank you all for your replays In reality the alloy that I am thinking in is really a soft one with high relative pemeability...it is better to have as high as possible saturation density .. according to some engineering textbooks; satmumetal (Ni,Cu) which has an amplitude permeability of 240...

Hello, what are the acceptable limits for powering an artificial heart device (type pusher plate)? will 50 w be an accepted value for pumping 100 ml againest 100 mmHg??? Thanks in advance

Hi, Will drawing a certain magnetic alloy into wires " rather than sheets" will affect its magnetic properties "Max. permeability and saturation density"... is there any application that uses a "Magnetic wires/ropes" rather than sheets in transmitting the magnetic flux.. regards