1963-01-01

MACHINING CHARACTERISTICS OF THE REFRACTORY METAL SYSTEMS OF COLUMBIUM, MOLYBDENUM, TANTALUM, AND TUNGSTEN 630234

The results of laboratory investigations and shop experience related to the machining of the alloy systems of columbium, molybdenum, tantalum, and tungsten are presented. Material properties and their relationships to maching characteristics are discussed, as are certain economic aspects of shop practice. Empirical data are presented to illustrate and quantify the more significant characteristics, and conclusions are drawn for appropriate shop maching conditions. In general, these metals are very difficult to machine; the most notable exceptions are the infiltrated forms of tungsten, whose extraordinary maching characteristics approach those of the light metals, and the molybdenum group, which are readily machinable by certain processes. However, grinding any of the refractory metals is slow and difficult, and very smooth finishes are exceedingly difficult to obtain.

SAE MOBILUS

Subscribers can view annotate, and download all of SAE's content. Learn More »

Access SAE MOBILUS »

Members save up to 18% off list price.
Login to see discount.
Special Offer: Download multiple Technical Papers each year? TechSelect is a cost-effective subscription option to select and download 12-100 full-text Technical Papers per year. Find more information here.
We also recommend:
JOURNAL ARTICLE

Ultrasonic Spot Welding of AZ31B to Galvanized Mild Steel

2010-01-0975

View Details

STANDARD

Steel, Corrosion-Resistant, Sheet, Strip, and Plate 17Cr (SAE 51430) Annealed

AMS5503F

View Details

STANDARD

Steel, Corrosion Resistant, Seamless and Welded Aircraft Tubing 19Cr - 9.5Ni (304) Cold Drawn, 1/2 Hard Temper

AMS5868C

View Details

X