INT 238

INT 238 Hardness

Outline • Explain what hardness is • Describe how hardness if found • Compare hardness testing methods • Convert between scales

What is Hardness A measure of resistance to deformation or penetration

What is Hardness

Testing Methods - Brinnell

Testing Methods - Brinnell Diameter of indentation

Testing Methods - Brinnel

Testing Methods - Brinnell

Vickers Microhardness

Rockwell Hardness

Rockwell Hardness N T

Conversion

Material presented in this lecture: Brandt, D. A. & Warner, J. C. (2005). Metallurgy Fundamentals. Goodheart-Willcox Company, Inc. Tinley Park, Illinois.

INT 238

INT 238

Presentation Transcript

Int 2 Notes

INT Rewrite Project

Int [] a = new int [4];

Higher/Int 2/Int 1

238

#include &lt; stdio.h &gt; int main(void) { int num1 = 10; int num2 = 20; int num3 = 30;

isort :: [Int] -&gt; [Int]

Int env law and int trade law

struct Pila { private: int size; int defaultGrowthSize; int marker; int * contenuto;

INT 221

declare procedure ShowRegel(int b, int c, int d, int e)

Rel. Int. (%)

class Stack { int data[]; int first; int max; Stack(int dimensione) {

UBI 238

1Z0-238

Parameters: const int mintime, const int maxtime, int &amp;ressource,

CIS 238 Syslog

CIS 238 Syslog

Instructions (INT)

INT 238

INT 238

Presentation Transcript

Int 2 Notes

INT Rewrite Project

Int [] a = new int [4];

Higher/Int 2/Int 1

238

#include &amp;lt; stdio.h &amp;gt; int main(void) { int num1 = 10; int num2 = 20; int num3 = 30;

isort :: [Int] -&amp;gt; [Int]

Int env law and int trade law

struct Pila { private: int size; int defaultGrowthSize; int marker; int * contenuto;

INT 221

declare procedure ShowRegel(int b, int c, int d, int e)

Rel. Int. (%)

class Stack { int data[]; int first; int max; Stack(int dimensione) {

UBI 238

1Z0-238

Parameters: const int mintime, const int maxtime, int &amp;amp;ressource,

CIS 238 Syslog

CIS 238 Syslog

Instructions (INT)

#include < stdio.h > int main(void) { int num1 = 10; int num2 = 20; int num3 = 30;

isort :: [Int] -> [Int]

Parameters: const int mintime, const int maxtime, int &ressource,