Date of Award

8-1961

Document Type

Thesis

Degree Name

Master of Science

First Advisor

E. J. Myers, Captain, USAF

Abstract

The Pt-Ta binary system was investigated at two isotherms;1000°C and 1500°C, and at eleven alloy compositions in the range of 50 to 100 atomic percent platinum. The alloys were examined by x-ray diffraction and metallography. Three intermetallic compounds, Pt2Ta, Pt3Ta, and Pt4Ta were found to exist in this composition range. The Pt4Ta intermetallic appeared only at the 1500°C isotherm. Platinum dissolved tantalum substitutionally to 90 atomic percent at 1500 °C and to approximately 80 atomic percent at 1000 °C.

AFIT Designator

GAW-MECH 61-1

DTIC Accession Number

AD0269424

Comments

Designator as it appears on page: GAW/Mech. 61-1.

This digital version was scanned from the bound print original by the AFIT Academic Library staff.

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