Soft matter mechanics of baseball's Rubbing Mud
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View abstract on PubMed
Summary
This summary is machine-generated.Researchers studied a special mud used in baseball and found it creates a uniform surface, increases adhesion, and enhances friction. This sustainable material could inspire new geomaterials and improve mudslide models.
Area Of Science
- Materials Science
- Geophysics
- Tribology
Background
- Major League Baseball uses a unique New Jersey mud for "de-glossing" baseballs.
- The specific properties and mechanisms of this "Rubbing Mud" remain largely unknown.
Purpose Of The Study
- To investigate the rheology and tribology of the baseball "Rubbing Mud".
- To identify the mechanisms by which the mud modifies baseball surface properties.
Main Methods
- Multiscale investigation of mud rheology and tribology.
- Analysis of mud composition and particle interactions under relevant conditions.
Main Results
- The mud exhibits high cohesion and shear-thinning behavior, filling leather pores for a uniform surface.
- Mud residue doubles contact adhesion on the baseball.
- Angular sand grains, bound by clay particles, create a studded surface that enhances friction.
Conclusions
- The unique combination of cohesive, frictional, and viscous elements creates a soft material with versatile properties.
- This mud could be a model for sustainable geomaterials.
- Understanding mud flow and friction aids in modeling natural hazards and muddy locomotion.
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