40 Composite materials

Change from uniform to composite (multiple) materials.
  • Composite epoxy resin/carbon fiber golf club shafts are lighter, stronger, and more flexible than metal. Same for airplane parts.
  • Fiberglass surfboards are lighter and more controllable and easier to form into a variety of shapes than wooden ones.
TRIZ principe 40


Is this principle frequently used?

This principle is rarely used with 95 instances in the matrix.

This principle is proposed to solve the following contradictions:

Click on a contradiction to explore it

1/7 1/11 1/12 1/14 2/13 3/27 4/2 4/6 5/14 6/14 6/26 6/27 6/31 6/32 7/1 7/27 7/31 7/32 8/13 9/11 10/12 10/23 10/30 11/1 11/13 11/14 12/1 12/10 12/14 12/27 12/29 13/2 13/8 13/11 13/23 13/31 13/39 14/1 14/2 14/5 14/6 14/11 14/12 14/17 14/23 14/33 14/37 15/26 15/29 16/4 16/17 16/27 16/30 17/7 17/14 17/16 21/12 23/1 23/10 23/13 23/14 23/30 26/6 26/13 26/15 26/27 26/31 27/1 27/6 27/16 27/26 27/30 27/31 27/33 27/37 29/12 29/15 30/16 30/23 30/27 30/36 30/37 31/6 31/7 31/10 31/13 31/27 32/6 32/7 33/14 33/27 36/30 37/10 37/27 39/12


The colour indicates the ranking of the proposed principle to solve the contradiction: 1st, 2nd, 3rd, 4th.
This ranking reflects the frequency of occurrence of the principle in the analysed patents for this type of contradiction.
When a principle appears in first position, it means that it is statistically the most used in the patents studied for this type of problem.