Nail Design: Pointed End, Cap & Stress Types

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In summary, the standard nail is designed with a pointed end and a cap on top to work as a wedge, allowing for easier insertion into materials. This is especially useful for pure axial loading, where the nail is subjected to a large, sudden force applied to a very small area. When a homogenous material is broken under pure axial loading, it is cut at an angle of almost 45 degrees, which is the plane where the maximum shear stress resides. To understand this further, an equation and certain conditions are needed.
  • #1
ermines
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Guys, why do you think the standard nail is designed with a pointed end and where the top has a cap? What does this imply to the 2 kinds of stress which are normal stress and shear stress? Isn't the pointed end kinda works like a wedge?

Also, why does a homogenous material when broken is always cut at an angle of almost 45 degrees?
 
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  • #2
Keep going on the lines of a wedge. A very small area, i.e. a point and a large, sudden force applied =?

In pure axial loading, the 45° plane is the plane where the max shear stress resides.
 
  • #3
i kanda understand now the nail part. But about the pure axial loading, I'm still having trouble with it...?

umm, can you somehow give me a starting equation that might explain this and all the necessary conditions needed for this to happen? :D
 

What is a pointed end nail design?

A pointed end nail design is a type of nail shape where the tip of the nail comes to a sharp point. It is sometimes referred to as a stiletto shape and is often associated with bold and edgy looks.

What is a cap nail design?

A cap nail design is a type of nail shape where the tip of the nail is rounded, resembling the shape of a cap. It is a popular design for those who want a more natural and subtle look for their nails.

What are stress types in nail design?

Stress types in nail design refer to the areas on the nail where pressure is most likely to be applied, causing the nail to bend or break. These areas include the free edge, sidewalls, and stress point, and they are important to consider when choosing a nail shape and length to prevent breakage.

What are the benefits of a pointed end nail design?

A pointed end nail design can elongate the appearance of the fingers, giving the hands a more elegant and feminine look. It is also a versatile shape that can be customized with various colors, patterns, and embellishments to create unique and eye-catching designs.

How can I prevent damage to my nails with a pointed end design?

To prevent damage to your nails with a pointed end design, it is important to maintain proper nail care, such as keeping them moisturized and trimmed regularly. You can also opt for shorter pointed nails to reduce the risk of breakage or choose a more durable material, such as gel or acrylic, for longer-lasting wear.

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