diff --git a/trunk/constitutive_dislobased.f90 b/trunk/constitutive_dislobased.f90
index 22b550185..2b5f98b7b 100644
--- a/trunk/constitutive_dislobased.f90
+++ b/trunk/constitutive_dislobased.f90
@@ -9,7 +9,9 @@
 !************************************
 
 !	[Alu]
-!	constitution             phenomenological
+!	constitution             dislobased
+!	(output)                 dislodensity
+!	(output)                 rateofshear
 !	lattice_structure        1
 !	Nslip                    12
 !	
diff --git a/trunk/constitutive_phenomenological.f90 b/trunk/constitutive_phenomenological.f90
index 970c1b504..30efd42fb 100644
--- a/trunk/constitutive_phenomenological.f90
+++ b/trunk/constitutive_phenomenological.f90
@@ -9,6 +9,8 @@
 
 !	[Alu]
 !	constitution            phenomenological
+!	(output)                slipresistance
+!	(output)                rateofshear
 !	lattice_structure       1
 !	Nslip                   12
 !	
diff --git a/trunk/material.config b/trunk/material.config
index 24831b741..6f5ab73fd 100644
--- a/trunk/material.config
+++ b/trunk/material.config
@@ -35,6 +35,40 @@ Ngrains	4
 
 [Aluminum]
 
+lattice_structure        1
+Nslip                    12
+
+c11                      106.75e9
+c12                      60.41e9
+c44                      28.34e9
+
+# constitution            phenomenological
+(output)                slipresistance
+(output)                rateofshear
+s0_slip                 31e6
+gdot0_slip              0.001
+n_slip                  20
+h0                      75e6
+s_sat                   63e6
+w0                      2.25
+latent_ratio            1.4
+
+constitution             dislobased
+(output)                 dislodensity
+(output)                 rateofshear
+burgers                  2.86e-10	# Burgers vector [m]
+Qedge                    3e-19		# Activation energy for dislocation glide [J/K] (0.5*G*b^3)
+Qsd                      2.4e-19		# Activation energy for self diffusion [J/K] (gamma-iron)
+diff0                    1e-3		# prefactor vacancy diffusion coeffficent (gamma-iron)
+interaction_coefficients 1.0 2.2 3.0 1.6 3.8 4.5		# Dislocation interaction coefficients
+rho0                     6.0e12		# Initial dislocation density [m/m^3]
+c1                       0.1		# Passing stress adjustment
+c2                       2.0		# Jump width adjustment
+c3                       1.0		# Activation volume adjustment
+c4                       50.0		# Average slip distance adjustment for lock formation
+c7                       8.0		# Athermal recovery adjustment
+c8                       1.0e10		# Thermal recovery adjustment (plays no role for me)
+
 [Copper]
 
 [Ferrite]