Methods of modifying material flow mode during machining and products formed thereby
Methods of inducing segmented flow in a material in which a ductile flow mode would otherwise occur during machining. A monolayer molecular film is formed on a surface of a body of a material in a state such that the material exhibits ductile flow when subjected to shear. The monolayer molecular film has molecules each having a head group adsorbed to the surface, a terminal group, and a hydrocarbon chain therebetween having a chain length of greater than 6. A surface portion of the body is removed by engaging the body with a tool in a contact region below the surface of the body and moving the tool relative to the body to remove the surface portion and the monolayer molecular film thereon. The monolayer molecular film induces segmented flow in the material during the removing of the surface portion.
- Research Organization:
- Purdue Univ., West Lafayette, IN (United States)
- Sponsoring Organization:
- USDOE; National Science Foundation (NSF)
- DOE Contract Number:
- EE0007868; CMMI-1562470; DMR-1610094
- Assignee:
- Purdue Research Foundation (West Lafayette, IN)
- Patent Number(s):
- 11,548,107
- Application Number:
- 17/091,400
- OSTI ID:
- 1987005
- Resource Relation:
- Patent File Date: 11/06/2020
- Country of Publication:
- United States
- Language:
- English
Methods of Reducing Sinuous Flow During Machining and Products Formed Thereby
|
patent-application | January 2017 |
Material-Independent Mechanochemical Effect in the Deformation of Highly-Strain-Hardening Metals
|
journal | July 2018 |
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