**Appendix A**

**Figure A1.** Gas path lines and load surface temperature after 2 h of the heat treatment—case 1.

**Figure A2.** Gas path lines and load surface temperature after 2 h of the heat treatment—case 2.

**Figure A3.** Gas path lines and load surface temperature after 2 h of the heat treatment—case 3.

**Figure A4.** Gas path lines and load surface temperature after 2 h of the heat treatment—case 4.

**Figure A5.** Gas path lines and load surface temperature after 2 h of the heat treatment—case 5.

**Figure A6.** Gas path lines and load surface temperature after 2 h of the heat treatment—case 6.

**Figure A7.** Gas path lines and load surface temperature after 2 h of the heat treatment—case 7.

**Figure A8.** Gas path lines and load surface temperature after 2 h of the heat treatment—case 8.

**Figure A9.** Gas path lines and load surface temperature after 2 h of the heat treatment—case 9.
