HB 5434.3-1989
Method for determination of hardness of aircraft wheel brake material (English Version)

Standard No.

HB 5434.3-1989

Language

Chinese, Available in English version

Release Date

1989

Published By

Professional Standard - Aviation

Status

Be replaced 2004-12

Replace By

HB 5434.3-2004

Latest

HB 5434.3-2004

Scope

This method specifies the hardness determination method for aircraft wheel brake materials. This method stipulates that the grinding degree of brake materials can be determined by the Brinell (HBS) or Rockwell (HRF) method. This method is suitable for sintered metal friction materials and cermet friction materials.

HB 5434.3-1989 history

• 2004 HB 5434.3-2004 Test methods for aircraft wheel friction materials-Part 3:Test method for hardness
• 1989 HB 5434.3-1989 Method for determination of hardness of aircraft wheel brake material