I'm looking for reasons why a 487-2C material would corrode with only slightly lower Ni,Cr,Cu content than an adjacent item. Both meet ASTM requirements for proper classification. 487-2C has no lower bounds for these alloying elements. An item with .09Cr,.09Ni,.16Cu Wt% corroded within one...
I'm looking for a magnetic bearing expert to comment on the usefullness of a patented technology that measures forces with an optical strain gage in a magnetically levitated bearing. Strain gage is located in various configurations, typically at the poles. Reference patent #6,518,770. I'm...