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関連する概念動画

Gauss's Law: Cylindrical Symmetry01:20

Gauss's Law: Cylindrical Symmetry

A charge distribution has cylindrical symmetry if the charge density depends only upon the distance from the axis of the cylinder and does not vary along the axis or with the direction about the axis. In other words, if a system varies if it is rotated around the axis or shifted along the axis, it does not have cylindrical symmetry. In real systems, we do not have infinite cylinders; however, if the cylindrical object is considerably longer than the radius from it that we are interested in,...
Gauss's Law: Planar Symmetry01:27

Gauss's Law: Planar Symmetry

A planar symmetry of charge density is obtained when charges are uniformly spread over a large flat surface. In planar symmetry, all points in a plane parallel to the plane of charge are identical with respect to the charges. Suppose the plane of the charge distribution is the xy-plane, and the electric field at a space point P with coordinates (x, y, z) is to be determined. Since the charge density is the same at all (x, y) - coordinates in the z = 0 plane, by symmetry, the electric field at P...
Centroid for the Paraboloid of Revolution01:16

Centroid for the Paraboloid of Revolution

The paraboloid of revolution is an axially symmetric surface generated by rotating a parabola around its axis. This shape has several applications in mechanical engineering due to its advantageous structural properties, such as strength against stress concentration points and rotational symmetry.
The centroid for the paraboloid of revolution is the point where all the mass of the paraboloid is concentrated. This centroid is important for engineering applications, as it determines how forces are...
Three-Dimensional Analysis of Strain01:29

Three-Dimensional Analysis of Strain

Three-dimensional strain analysis is crucial for understanding how materials deform under stress, particularly in elastic, homogeneous materials. This method employs principal stress axes to simplify complex stress states into more understandable forms. Subjected to stress, a small cubic element within a material either expands or contracts along these axes, transforming into a rectangular parallelepiped. This transformation effectively illustrates the material's deformation. The principal...
Coordinate Plane01:21

Coordinate Plane

The Cartesian coordinate plane is a fundamental structure in mathematics that enables the visualization of relationships between numerical values in two dimensions. It is formed by two intersecting number lines: a horizontal x-axis and a vertical y-axis. These axes meet at the origin, the point where both values are zero. Their intersection divides the plane into four quadrants labeled in a counterclockwise direction starting from the upper right.An ordered pair of numbers represents every...
Graphical Representation of Inequalities01:28

Graphical Representation of Inequalities

The graph of the equation where y equals x squared forms a curve known as a parabola. This curve acts as a boundary in the coordinate plane, dividing it into distinct regions based on the relative position of points.When the equality sign in the equation is replaced with an inequality—such as greater than, less than, greater than or equal to, or less than or equal to—the graphical representation changes from a single curve into a broader shaded area that signifies the set of all points...

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Multimodal 3D Printing of Phantoms to Simulate Biological Tissue
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線形立方体3Dプリント用のクログラフィー

Martin Regehly1, Yves Garmshausen2, Marcus Reuter2

  • 1Technology Department, Brandenburg University of Applied Science, Brandenburg, Germany. regehly@th-brandenburg.de.

Nature
|December 28, 2020
PubMed
まとめ

複合物の高速で高解像度な製造を可能にする 3Dプリント技術です この高度な添加物製造方法は,二色光を用いて樹脂をポリマー化し,既存の技術よりも大幅に改善しています.

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科学分野:

  • アディティブ製造
  • 光ポリメリゼーション
  • 3Dプリント

背景:

  • 添加材料製造の応用は 航空宇宙,医療機器,消費財といった 様々な分野で急速に拡大しています
  • 現在の光誘発3Dプリント方法は,正確ですが,しばしば順次点方向または層次的な製造に依存しています.
  • 立体3Dプリントは 連続的な方法よりも進歩をしており 完全なオブジェクトを同時により速く製造できます

研究 の 目的:

  • クソログラフィーという 新しい二色3Dプリント技術を紹介します
  • 機能的な性質を持つ複雑な3Dオブジェクトを製造するXOLOGRAPHYの能力を実証する.
  • クソログラフィーの性能を既存の最先端の体積印刷方法と比較する.

主な方法:

  • フォトスイッチ可能なフォトイニシアターを使用した二色体積3Dプリンターの開発.
  • モノメアの体積内で局所的なポリメリゼーションのために,異なる波長の交差する光束を使用します.
  • 構造的複雑性,機械的,光学的機能のための製造されたオブジェクトの特徴.

主要な成果:

  • クソログラフィーは,計算された軸性リトグラフィーの約10倍の解像度を達成します.
  • このテクニックは,2フォトンの光ポリメリゼーションよりも4〜5倍の量発生率を示しています.
  • 複雑な構造と統合された機能を持つ3Dオブジェクトの製造が成功しました.

結論:

  • クソログラフィーは 急速な3Dプリントに 革新的なアプローチを提供します
  • この技術は,ナノスケールからマクロスケールまでの物体の効率的な生産を可能にします.
  • この進歩は,高速で高解像度な追加製造を必要とする様々な産業に大きく影響を与えるでしょう.