Download Dureza y Cargas Axiales PDF

TitleDureza y Cargas Axiales
TagsMechanical Engineering Chemical Product Engineering Materials Science Building Engineering Hardness
File Size293.2 KB
Total Pages12
Document Text Contents
Page 7

Dureza Rockwell (HRc)

 Rc=100−


0.002

-c . >6 /lectura e%perimental0

• Penetrador. cono de diamante ang7 1&) ?

• Carga Aplicada /P0 . 1() 5g

• Precarga 1) 5g

• Profundidad de la ,uella /t0
t =(100− HRc ) 0.002

Datos
-b. >6

t =(100−93 )0.002=0.014mm

• *spesor mínimo de la probeta /*0 .
10 t 

Datos#
t . )7)1< mm

 E=10 (0.014mm)=0.14mm

• Distancia entre ,uella y ,uella /,0 .
3d

Datos
Di$metro . 12134 . 17(89( mm

h=3(1.5875mm)=4.7625mm

Page 12

M'imo 1)B))) 1<(73( 3873(

( A ) ( H  )=( A f ) ( H f  )∴ A f =
( A ) ( H  )
 H f 

 A f =
(132.73mm ) ( 40mm)

36.45mm
=145.65mm

• Deformaci;n unitaria

#=
 $f − $

 $
 %100=

143−136
136

 % 100=5.14  deductibilidad

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