Accession Number:

AD0423176

Title:

PROCESS, EMBRITTLEMENT RELIEF TREATMENT FOR CRACK-FREE CHROMIUM PLATED SAE 4340 STEEL (260-292 KSI), EVALUATION OF,

Descriptive Note:

Corporate Author:

GENERAL DYNAMICS/FORT WORTH TEX

Personal Author(s):

• Kaarlela,W. T.

Report Date:

1963-11-04

Pagination or Media Count:

4.0

Abstract:

This test shows that 4340 steel notch tensile specimens crack-free chromium plated in the area of the notch and then embrittlement relief treated 23 hours at 375 F will withstand sustained loading of up to 500 hours at 75 of the notched ultimate tensil strength. Author

Descriptors:

• *STEEL
• *CHROMIUM
• PLATING
• BRITTLENESS
• EXPERIMENTAL DATA
• FAILURE(MECHANICS)
• PROCESSING

Subject Categories:

Distribution Statement:

APPROVED FOR PUBLIC RELEASE