diff --git a/examples/config/phase/mechanical/eigen/thermalexpansion_C35E.yaml b/examples/config/phase/mechanical/eigen/thermalexpansion_C35E.yaml
index 98937cea8..489785c58 100644
--- a/examples/config/phase/mechanical/eigen/thermalexpansion_C35E.yaml
+++ b/examples/config/phase/mechanical/eigen/thermalexpansion_C35E.yaml
@@ -4,8 +4,8 @@ references:
   - https://commons.wikimedia.org/wiki/File:Coefficient_dilatation_lineique_aciers.svg,
     fit to image description (Scilab code)
 
-Alpha_11: 12.70371e-6
-Alpha_11,T: 7.54e-9
-Alpha_11,T^2: -1.0e-11
+Alpha_11: 10.2e-6
+Alpha_11,T: 1.260e-08
+Alpha_11,T^2: -1.000e-11
 
-T_ref: 273.0
+T_ref: 293.15
\ No newline at end of file
diff --git a/examples/config/phase/mechanical/eigen/thermalexpansion_X20Cr13.yaml b/examples/config/phase/mechanical/eigen/thermalexpansion_X20Cr13.yaml
index d4b5d1df9..bdb8b0982 100644
--- a/examples/config/phase/mechanical/eigen/thermalexpansion_X20Cr13.yaml
+++ b/examples/config/phase/mechanical/eigen/thermalexpansion_X20Cr13.yaml
@@ -2,9 +2,9 @@ type: thermalexpansion
 
 references:
   - https://commons.wikimedia.org/wiki/File:Coefficient_dilatation_lineique_aciers.svg,
-    fit to image description (Scilab code)
+    fit to Scilab code for generating the image (T_min=100ºC, T_max=400ºC)
 
-Alpha_11: 11.365e-6
-Alpha_11,T: 5.0e-9
+Alpha_11: 10.1e-6
+Alpha_11,T: 5.000e-09
 
-T_ref: 273.0
+T_ref: 293.15
\ No newline at end of file