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- www.scribd.com
  
  4 POINT SYSTEM - Scribd - Read Unlimited Books
  
  4 POINT SYSTEM - Free download as Word Doc (.doc), PDF File (.pdf), Text file (.txt) or read online for free. ... The four-point system derives its name from the basic grading rule that a maximum of four penalty points can be assessed for any single defec
  
  2025-06-26
  
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- en.wikipedia.org
  
  Crystallographic defect - Wikipedia, the free encyclopedia
  
  Point defects are defects that occur only at or around a single lattice point. They are not extended in space in any dimension.
  
  2025-06-19
  
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Vacancy defect - Wikipedia, the free encyclopedia

日期：2025-06-24

In crystallography, a vacancy is a type of point defect in a crystal. Crystals inherently possess imperfections, sometimes referred to as crystalline defects. A defect ......

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Interstitial defect - Wikipedia, the free encyclopedia

日期：2025-06-24

Interstitials are a variety of crystallographic defects, i.e. atoms which occupy a site in the crystal structure at which there is usually not an atom, or two or more ......

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Crystal Defects - Point Defects - NDT Resource Center

日期：2025-06-23

Point defects are where an atom is missing or is in an irregular place in the lattice structure. Point defects include self interstitial atoms, interstitial impurity atoms, ......

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Defects in Crystals - Materials Science & Engineering

日期：2025-06-26

4.2 POINT DEFECTS. A point defect disturbs the crystal pattern at an isolated site . It is useful to distin- guish intrinsic defects, which can appear in a pure material ......

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Chapter 4 Point defects and dislocations

日期：2025-06-25

A point defect in a crystal is (i) the occupancy of a lattice sites by impurity atoms/ ions ... Defects modify the properties of a sample from that of a perfect crystal. 3....

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Crystallographic defect

日期：2025-06-24

The regular patterns are interrupted by crystallographic defects. ... Strict limits for how small a point defect is, are generally not defined explicitly, but typically ......

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Crystal Defects - Point Defects, Vacancy, Interstitial, Substitutional ...

日期：2025-06-24

2013年8月11日 - 5 分鐘 - 上傳者：StudyYaar.com Complete set of Video Lessons and Notes available only at http://www.studyyaar. com/index.php ......

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Introduction to Types of Point Defect

日期：2025-06-23

A number of different point defects occur in metallic crystals. Self-defects include vacancies and self-interstitials. Soluble atoms also create point defects:....

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