Experimentally deformed quartz aggregates

 

Transition regime 2/3, regime 3

Experimentally deformed quartz aggregates

 

starting materials / semi-brittle & regime 1 / regime 2 / regime 2 & 3 / annealing

 

List of microstructures

 

 

 

 

8

 

BHQ shortened 30% at 900°C, 10-6/sec and 1200 MPa ('wet'); transition between regime 2-3 dislocation creep.

9

 

BHQ shortened 37% at 900°C, 10-6/sec and 1200 MPa ('wet'); transition between regime 2 - 3 dislocation creep.

10

 

BHQ shortened 57% at 900°C, 10-6/sec and 1200 MPa ('wet'); transition between regime 2 - 3 dislocation creep.

11

 

Arkansas novaculite (original d = 5 µm) shortened 54% at 900°C, 10-6/sec and 1200 MPa ('wet'); transition between regime 2 - 3 dislocation creep.

 

 

 

 

12

 

BHQ shortened 50% at 1200°C, 10-6/sec and 1200 MPa; regime 3 dislocation creep.