The Metallographist #252275

The second subdivision will ascertain how the compo sitiou, the forms, the dimensions and the relations of the various constituents, determined in the static state in a given sample, are related to the possible conditions of the thermal or mechanical treatments to which the alloy may be subjected during the process of its manufacture or during its use. The third subdivision will consider the influence of defective treatments and of the presence of impurities, and it will often be possible, the effects once connected with their causes, and by proceeding from one to the other, to trace them back for the solution of the problems of daily practice.