NOTICE: Due to a lapse in annual appropriations, most of this website is not being updated. Learn more.
Form submissions will still be accepted but will not receive responses at this time. Sections of this site for programs using non-appropriated funds (such as NVLAP) or those that are excepted from the shutdown (such as CHIPS and NVD) will continue to be updated.
An official website of the United States government
Here’s how you know
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
Microstuctural Characterization of Hardened Steel by Nondestructive Methods
Published
Author(s)
P T. Purtscher, B Igarashi, Donna C. Hurley, K W. Hollman
Abstract
This paper describes the application of a variety of methods to the nondesctructive characterization (NDC) of microstructure in hardened steels. The measurements include ultrasonic velocity, nonlinear ultrasonics, resonant ultrasonic spectroscopy (RUS), and magnetostriction. The materials used in the evaluation include bar and plate steels with quenched and tempered martensitic microstructures like 4340, 01 tool steel, and A710. No one method can characterize the microsturcture of hardened steels with repect to the strenth and hardness in different heat treated conditions alone. It is recommended that as many of these techniques as possible be used together for a thorough microstuctural evaluation.
Proceedings Title
Mechanical Working and Steel Processing, Conference ||New Metal Forming Processes|
Volume
No. 35
Conference Dates
July 1, 1997
Conference Title
Proceedings of the Mechanical Working and Steel Processing Conference
Purtscher, P.
, Igarashi, B.
, Hurley, D.
and Hollman, K.
(1997),
Microstuctural Characterization of Hardened Steel by Nondestructive Methods, Mechanical Working and Steel Processing, Conference ||New Metal Forming Processes|
(Accessed October 2, 2025)