From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001
From: priyanka
Date: Wed, 24 Jun 2015 15:03:17 +0530
Subject: initial commit / add all books

---
 1085/CH7/EX7.1/ex7_1.sce | 12 ++++++++++++
 1 file changed, 12 insertions(+)
 create mode 100755 1085/CH7/EX7.1/ex7_1.sce

(limited to '1085/CH7/EX7.1')

diff --git a/1085/CH7/EX7.1/ex7_1.sce b/1085/CH7/EX7.1/ex7_1.sce
new file mode 100755
index 000000000..1191e1873
--- /dev/null
+++ b/1085/CH7/EX7.1/ex7_1.sce
@@ -0,0 +1,12 @@
+//Exam:7.1
+clc;
+clear;
+close;
+D=1.28*10^(-11);//diffusion coefficient of carbon in given steel in m2/s
+c_s=0.9;//Surface concentration of diffusion element in the surface
+c_o=0.2;//Initial uniform concentration of the element in the solid
+c_x=0.4;//Concentration of the diffusingelement at a distance x from thesurface
+x=0.5*10^(-3);//depth from the surface in m
+//(c_s-c_x)/(c_s-c_o)=erf(x/(2*(D*t)^(1/2)))
+t=(x/(2*erfinv((c_s-c_x)/(c_s-c_o))*D^(1/2)))^2;//time required for carburization(in sec)
+disp(t,'time required for carburization(in sec)=');
\ No newline at end of file
-- 
cgit