JOINING OF MOLYBDENUM

Platte, W. N.

JOINING OF MOLYBDENUM

Active / Technical Report | Accession Number: AD0029379 | Open PDF

Abstract:

By the use of a closed chamber and a continuous flow of gas through this chamber a controllable welding atmosphere has been provided for experimental work. The atmosphere may be varied from 100 argon, 99.95 pure, to 100 02, N2, or any combination of these or other gases. The chamber provide a fresh gas shield in an atmosphere of the same composition as the shield. Using the controlled atmosphere chamber, welds in carbon deoxidized arc cast molybdenum are shown to be subject to hot short cracking when the oxygen content in the argon atmosphere around the arc exceeds 0.2. The ductility of these welds was drastically reduced by the presence of more than 0.05 oxygen in the welding atmosphere. Oxygen in sintered molybdenum is shown to produce porosity and hot short cracking. However, crack and porosity free welds have been produced by using deoxidizing agents in sintered molybdenum.

Author(s):

Platte, W. N.

Author Organization(s):

WESTINGHOUSE ELECTRIC CORP PITTSBURGH PA

Descriptive Note:

Technical rept.

Annotation:

Research on Methods of Producing Sound Ductile Joints Molybdenum

Pagination:

0106

Security Markings

DOCUMENT & CONTEXTUAL SUMMARY

Distribution:

Approved For Public Release

Distribution Statement:

Approved For Public Release; Distribution Is Unlimited.

RECORD

Collection: TR

Identifying Numbers

Report Number(s):

WADC-TR-54-17-P-1

Contract/Grant Number(s):

AF 18(600)-114

Project Number(s):

RDO-446-48(L-G)

Monitor Series:

TR-54-17-P-1, WADC

Subject Terms

Joint Capability Areas:

JCA_5_Command and Control; JCA_5.3_Planning; JCA_1.2_Force Preparation; JCA_1_Force Support; JCA_3.2_Engagement; JCA_3_Force Application; JCA_3.2.1_Kinetic Means; JCA_6.1.3_Switching and Routing

Communities of Interest:

Air Platforms

Descriptor(s):

*MOLYBDENUM, *WELDING, WELDS, OXYGEN, SINTERING, DUCTILITY, CONTAMINATION, GAS FLOW

Field(s)/Group(s):

Fabrication Metallurgy, Couplers, Fasteners and Joints

Keyword(s):

WELDING GASES

Report Date:

1953 Jan 01