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What causes plastic flow to occur?
High pressure
Is boron ductile or brittle?
Boron is brittle, as it tends to fracture easily under stress without significant plastic deformation.
What is internal plastic flow?
Internal plastic flow refers to the deformation of a material without fractures or cracks occurring. It typically happens in ductile materials under high stress and temperature conditions, causing the material to permanently change shape without breaking. This process is commonly observed in metal forming and forging operations.
Is hydrogen brittle?
Yes, hydrogen is considered a brittle material. This means it does not exhibit plastic deformation and instead tends to fracture when subjected to stress. This property is particularly important when considering its use in engineering applications.
Is steel synthetic?
No, steel is not synthetic. Steel is a metal alloy composed primarily of iron and carbon, along with trace amounts of other elements. It is made from naturally occurring materials through various processes such as smelting and refining.
How do brittle objects undergo plastic deformation?
Brittle objects typically do not undergo plastic deformation due to their inability to sustain significant deformation before fracturing. Instead, brittle materials tend to fracture with minimal or no plastic deformation.
What is cold plastic deformation?
it is deformation below recrystalization temperature.
Which one will undergo plastic deformation copper or steel wire?
Copper wire will undergo plastic deformation even though it does not break like steel wire.
What is the plastic deformation formula used to calculate the extent of permanent deformation in a material under stress?
The plastic deformation formula used to calculate the extent of permanent deformation in a material under stress is typically represented by the equation: ( / E), where is the strain (deformation), is the stress applied to the material, and E is the material's Young's modulus.
How to calculate plastic strain in a material under deformation?
To calculate plastic strain in a material under deformation, you can use the formula: Plastic Strain Total Strain - Elastic Strain. Plastic strain is the permanent deformation that occurs in a material after it has exceeded its elastic limit. It is important to consider when analyzing the behavior of materials under stress.
What is proportional strength?
When a material deforms, it does so in several stages. The first stage, called the elastic region of deformation, is linear in nature and not permanent. A stress can be applied, and once it's removed, the material will regain all of the deformation. The second stage, plastic deformation, is permanent. A material that has been stressed into the plastic region will regain the elastic deformation, but will permanently maintain the plastic.The proportional strength is the point at which plastic deformation begins.
What are two kinds of deformation?
Two kinds of deformation are plastic deformation, where the material changes shape permanently due to stress, and elastic deformation, where the material returns to its original shape after stress is removed.
How many types of deformation?
There are generally three main types of deformation: elastic, plastic, and brittle. Elastic deformation occurs when a material returns to its original shape after the stress is removed. Plastic deformation involves a permanent change in shape due to applied stress, while brittle deformation leads to fracture without significant deformation. Each type responds differently to stress and strain depending on the material properties and environmental conditions.
Does plastic deformation occurs more readily in warm rock than in cool rock?
Yes, plastic deformation occurs more readily in warm rock than in cool rock because warm rock has lower strength and is more ductile. The higher temperatures allow for easier movement of atoms within the crystal lattice, promoting plastic deformation. Conversely, cool rock is stronger and more brittle, making plastic deformation less likely.
What is an arch-shape fold resulting from plastic deformation called?
syncline
What Plastic deformation such that work hardening does not occur is called?
The plastic deformation process that prevents work hardening is called creep. Creep occurs under constant stress over an extended period, resulting in gradual deformation without significant increase in hardness.
What is the differences between brittle and ductile fracture?
In brittle fracture, no apparent plastic deformation takes place before fracture. In ductile fracture, extensive plastic deformation (necking) takes place before fracture.
