MgB2 Superconductor - Revision history

Bsboggs: /* Preparing Samples */

2018-05-14T17:44:32Z

‎Preparing Samples

Bsboggs: /* MgB2 Superconductor Project */

2018-05-14T17:43:49Z

‎MgB2 Superconductor Project

Bsboggs: /* Processing Post-Reacted Samples */

2018-05-11T22:19:02Z

‎Processing Post-Reacted Samples

Bsboggs: /* Preparing Samples */

2018-05-11T20:35:11Z

‎Preparing Samples

Bsboggs: /* Processing Post-Reacted Samples */

2018-05-11T20:30:14Z

‎Processing Post-Reacted Samples

Bsboggs: /* MgB2 Superconductor Project */

2018-05-11T20:29:33Z

‎MgB2 Superconductor Project

Bsboggs: /* Processing Post-Reacted Samples */

2018-05-11T20:24:24Z

‎Processing Post-Reacted Samples

Bsboggs: /* MgB2 Superconductor Project */

2018-05-11T19:56:16Z

‎MgB2 Superconductor Project

Bsboggs: Created page with "== MgB2 Superconductor Project == === Preparing Samples === 1) Weigh appropriate amounts of Mg and B powders.
2) Mix and grind powders (in mortar) for ~ 15 minutes.
3..."

2018-05-11T19:53:02Z

Created page with "== MgB2 Superconductor Project == === Preparing Samples === 1) Weigh appropriate amounts of Mg and B powders. 2) Mix and grind powders (in mortar) for ~ 15 minutes. 3..."

New page

== MgB2 Superconductor Project ==

=== Preparing Samples ===
1) Weigh appropriate amounts of Mg and B powders. 
2) Mix and grind powders (in mortar) for ~ 15 minutes. 
3) Pack and press the resulting powder into sheathing material. 
4) Mechanically deform sample (crush the core) into a slug, ribbon or wire. 
5) Heat.

@@ Line 2: / Line 2: @@
 === Preparing Samples ===
-) Weigh appropriate amounts of Mg and B powders. [[Media:http://hank.uoregon.edu/wiki/index.php/File:Calculation_of_Mg_%26_B_amounts_to_make_sample_of_MgB2_Superconductor.pdf | Use this calculation as a guide]]. <br>
+) Weigh appropriate amounts of Mg and B powders. [[Media:Calculation_of_Mg_%26_B_amounts_to_make_sample_of_MgB2_Superconductor.pdf | Use this calculation as a guide]]. <br>
 ) Mix and grind powders (in mortar) for ~ 15 minutes.<br>
 ) Pack and press the resulting powder into sheathing material.<br>

@@ Line 2: / Line 2: @@
 === Preparing Samples ===
-) Weigh appropriate amounts of Mg and B powders.<br>
+) Weigh appropriate amounts of Mg and B powders. [[Media:http://hank.uoregon.edu/wiki/index.php/File:Calculation_of_Mg_%26_B_amounts_to_make_sample_of_MgB2_Superconductor.pdf | Use this calculation as a guide]]. <br>
 ) Mix and grind powders (in mortar) for ~ 15 minutes.<br>
 ) Pack and press the resulting powder into sheathing material.<br>
 ) Mechanically deform sample (crush the core) into a slug, ribbon or wire.<br>
-) Heat (possibly two or more temps for two or more times)in stainless steel (SS) boat.<br>
+) Heat (possibly two or more temps for two or more times) in stainless steel (SS) boat. Possibly under continuous argon flow.<br>
 === Processing Post-Reacted Samples ===

@@ Line 9: / Line 9: @@
 === Processing Post-Reacted Samples ===
-) Possibly mechanically deform again.
+) Possibly mechanically deform again.<br>
-) Possibly sinter again.
+) Possibly sinter again.<br>
 ) Cut off sample ends (exposing clean sample cores).<br>
 ) Polish sample ends.<br>
-The processed sample should have reasonably low (room temp) resistivities (on the order of 0.001 Ohm x cm).
+The processed samples should have reasonably low (room temp) resistivities (on the order of 0.001 Ohm x cm). The resistance R = (resistivity x length)/area.

@@ Line 6: / Line 6: @@
 ) Pack and press the resulting powder into sheathing material.<br>
 ) Mechanically deform sample (crush the core) into a slug, ribbon or wire.<br>
-) Heat (possibly two or more temps for two or more times).<br>
+) Heat (possibly two or more temps for two or more times)in stainless steel (SS) boat.<br>
 === Processing Post-Reacted Samples ===

@@ Line 14: / Line 14: @@
 ) Polish sample ends.<br>
-The processed sample should have reasonably low (room temp) resistivities (rho on the order of 0.001 Ohm x cm).
+The processed sample should have reasonably low (room temp) resistivities (on the order of 0.001 Ohm x cm).
 The resistance R = (resistivity x length)/area.

← Older revision		Revision as of 20:29, 11 May 2018
Line 13:		Line 13:
	2) Cut off sample ends (exposing clean sample cores).<br>		2) Cut off sample ends (exposing clean sample cores).<br>
	3) Polish sample ends.<br>		3) Polish sample ends.<br>
		+
		+	The processed sample should have reasonably low (room temp) resistivities (rho on the order of 0.001 Ohm x cm).
		+
		+	The resistance R = (resistivity x length)/area.

MgB2 Superconductor - Revision history

Bsboggs: /* Preparing Samples */

Bsboggs: /* MgB2 Superconductor Project */

Bsboggs: /* Processing Post-Reacted Samples */

Bsboggs: /* Preparing Samples */

Bsboggs: /* Processing Post-Reacted Samples */

Bsboggs: /* MgB2 Superconductor Project */

Bsboggs: /* Processing Post-Reacted Samples */

Bsboggs: /* MgB2 Superconductor Project */

Bsboggs: Created page with "== MgB2 Superconductor Project == === Preparing Samples === 1) Weigh appropriate amounts of Mg and B powders. 2) Mix and grind powders (in mortar) for ~ 15 minutes. 3..."

Bsboggs: Created page with "== MgB2 Superconductor Project == === Preparing Samples === 1) Weigh appropriate amounts of Mg and B powders.
2) Mix and grind powders (in mortar) for ~ 15 minutes.
3..."