A copper fiber nonwoven fabric and its manufacturing method

Provided is a copper fiber nonwoven fabric having a bonding part between copper fibers， wherein， with respect to the relationship between compressive stress and distorsion， the copper fiber nonwoven fabric has a first region exhibiting plastic deformation， and a second region exhibiting elastic deformation and being a region of higher compressive stress than the first region， or the copper fiber nonwoven fabric has a region exhibiting elastic deformation， the region exhibiting elastic deformation having an elastic deformation region before an inflection part a， the inflection part a， and an elastic deformation region after the inflection part a. Provided is a copper fiber nonwoven fabric having a bonding part between copper fibers， wherein， with respect to the relationship between compressive stress and distorsion， the copper fiber nonwoven fabric has a first region exhibiting plastic deformation， and a second region exhibiting elastic deformation and being a region of higher compressive stress than the first region， or the copper fiber nonwoven fabric has a region exhibiting elastic deformation， the region exhibiting elastic deformation having an elastic deformation region before an inflection part a， the inflection part a， and an elastic deformation region after the inflection part a.

本发明提供一种铜纤维非织造布（copper fiber nonwoven fabric），其铜纤维之间设有粘结部位。针对压应力（compressive stress）与畸变（distorsion）的关系，该铜纤维非织造布具有两种特性之一：其一，存在表现为塑性变形（plastic deformation）的第一区域，以及压应力高于第一区域且表现为弹性变形（elastic deformation）的第二区域；其二，存在弹性变形区域，该弹性变形区域包含拐点a（inflection part a）前的弹性变形区、拐点a以及拐点a后的弹性变形区。
本发明提供一种铜纤维非织造布（copper fiber nonwoven fabric），其铜纤维之间设有粘结部位。针对压应力（compressive stress）与畸变（distorsion）的关系，该铜纤维非织造布具有两种特性之一：其一，存在表现为塑性变形（plastic deformation）的第一区域，以及压应力高于第一区域且表现为弹性变形（elastic deformation）的第二区域；其二，存在弹性变形区域，该弹性变形区域包含拐点a（inflection part a）前的弹性变形区、拐点a以及拐点a后的弹性变形区。