[PROBLEM] Indistinct sentence in video

[Grunf]

Dear members,

can someone write me what the man says at 3:55 min of this video:

Code:

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...this material is marked by ____________ degradation and load carrying capability - post-yield.

Your help would be appreciated.

G

[faros3000]

...this material is marked by same degradation and load carrying capability - post-yield...

[gulilero]

I believe, is:
...this material is marked by sudden degradation and load carrying capability - post-yield...