CONTROLLING MUFFLE FURNACE BY Page 64 of 68 USING PLC FOR HARDENING TOOL STEEL
REFERENCES
1. Attaullah. (Ayooq) Arain . Heat Treatment and Toughness Behaviour of D2 Tool Steels for Cutting Blade. [Online] 1999. [Cited: April 2, 2018.]
https://www.collectionscanada.gc.ca/obj/s4/f2/dsk1/tape8/PQDD_0003/MQ45596.pdf .
2. Bohler Undenholm. D2 Tool Steel Data Sheet. Bohler Udenholm D2 Cold Work Tool Steel. [Online] 2013. [Cited: April 2, 2018.]
http://www.bucorp.com/media/D2_data_sheet_09032013.pdf.
3. Dorsey A. Lyon, Robert M. Keeney. Electric Furnaces for Making Iron and Steel. Washington : Government Printing Office, 1914.
4. ASHRAE. Heating, ventilating and air-conditioning systems and equipment. s.l. : ASHRAE Handbook, 1992.
5. Change, Shoulu. The Second Stage of Tempering. s.l. : The University of Wollongong, 1994.
6. Wikipedia. Solid State Relay. Wikipedia. [Online] March 23, 2018.
https://en.wikipedia.org/wiki/Solid-state_relay.
7. Ohlson, Jonas. Effects on Different Heat Treatments on hardness of Grade 91 Steel. Diva Portal. [Online] May 25, 2014. [Cited: March 20, 2018.] http://www.diva- portal.org/smash/get/diva2:727769/FULLTEXT01.pdf.
8. Peter Jurci. HEAT TREATMENT OF Cr- AND Cr-V LEDEBURITIC. OJS Mateng. [Online] November 23, 2014. [Cited: March 24, 2018.]
ojs.mateng.sk/index.php/Mateng/article/view/149/218.
Arthur Elroy
CONTROLLING MUFFLE FURNACE BY Page 65 of 68 USING PLC FOR HARDENING TOOL STEEL
9. Experimental Investigations on Heat Treatment Of Cold Work Tool Steels : Part 1 , Air Hardening Grade(D2). S.K. Saha, Lalta Prasad, Virendra Kumar. 2, India : Indian Institute of Technology, 2012, Vol. 2. 2248-9622.
10. M. N. Mohammed, N. Z. Omar, Salah Al-Zubaidi, K. S. Alhawari, M. A.
Abdelgnei. Microstructure and Mechanical Properties of Thixowelded D2 Tool Steel.
MDPI. [Online] May 4, 2018. [Cited: June 20 , 2018.] www.mdpi.com/2075- 4701/8/5/316/pdf.
11. Company, Hudson Tool Steel. D2 Tool Steel. Hudson Tool Steel Technical Data. [Online] 2002. [Cited: March 25, 2018.]
https://www.hudsontoolsteel.com/technical-data/steelD2.
Arthur Elroy