Microstructure and Mechanical Properties of Spray-Formed H13 Steel Tooling

Conference · Tue Feb 01 04:00:00 EST 2005

OSTI ID:911112

Lin, Yaojun; McHugh, Kevin M; Park, Young-Soo; Zhou, Yizhang; Lavernia, Enrique J

This paper presents results on the microstructure and hardness of spray-formed H13 (Fe-0.40C-5.00Cr-1.10V-1.30Mo (wt%)) tooling. There is very low porosity in both as-spray formed samples and aged samples. The microstructure in the as-spray-formed sample is characterized by primary carbides, acicular lower bainite, and a small amount of martensite and of retained austenite. Spray formed and aged tooling H13 has higher hardness values than those of H13 in conventional tooling. The experimental results of microstructures and hardness are rationalized on the basis of numerical analysis of cooling during processing of spray-formed tooling.

• Research Organization: Idaho National Laboratory (INL)
• Sponsoring Organization: DOE - EE
• DOE Contract Number: AC07-99ID13727
• OSTI ID: 911112
• Report Number(s): INEEL/CON-04-02467
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
AUSTENITE
BAINITE
CARBIDES
HARDNESS
MARTENSITE
MECHANICAL PROPERTIES
MICROSTRUCTURE
NUMERICAL ANALYSIS
POROSITY
PROCESSING
STEELS
Spray Forming
Tooling