Optimization of Composition and Heat Treating of Die Steels for Extended Lifetime Page: 3 of 121
This report is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided to Digital Library by the UNT Libraries Government Documents Department.
The following text was automatically extracted from the image on this page using optical character recognition software:
PART 1: EFFECT OF COMPOSITION 2
1.0 INTRODUCTION 4
1.1 Background 4
1.2 Die Casting Die Materials 5
1.3 Die Casting Failure Modes 9
1.4 Thermal Stress and Mechanisms of Thermal Fatigue 11
1.5 Thermal Fatigue Resistance and Other Properties Required of
Die Steels 13
2.0 MATERIALS AND PROCEDURES 15
2.1 Materials 15
2.2 Thermal Fatigue Test 17
2.3 Heat Treatment Procedure 20
2.4 Scanning Electron Microscopy 20
3.0 RESULTS AND DISCUSSION 20
3.1 Thermal Fatigue Resistance of Five Steels 20
3.2 Cracking Pattern 23
3.3 Effect of Tempering on the Microstructure and Hardness of the
Five Steels 26
4.0 CONCLUSIONS 30
5.0 BIBLIOGRAPHY 32
PART 2: EFFECT OF HEAT TREATING 35
6.0 OIL QUENCHING OF DIES 35
6.1 Objectives 35
6.2 Experimental 36
6.3 Results and Discussion 43
7.0 IN-PLANT EVALUATION OF DIES 46
Here’s what’s next.
This report can be searched. Note: Results may vary based on the legibility of text within the document.
Tools / Downloads
Get a copy of this page or view the extracted text.
Citing and Sharing
Basic information for referencing this web page. We also provide extended guidance on usage rights, references, copying or embedding.
Reference the current page of this Report.
Schwam, David; Wallace, John F. & Zhou, Quanyou. Optimization of Composition and Heat Treating of Die Steels for Extended Lifetime, report, January 30, 2002; United States. (digital.library.unt.edu/ark:/67531/metadc742078/m1/3/: accessed March 17, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.