RESULTS: Table 1: Brinell Hardness Tests Results Test Material Aluminum Brass Mild steel Nylon Maximum Force (N) Dent Diameter (mm) Indenter Diameter (mm) 10 10 10 10 Test time (sec) 15 15 15 15 BHN Table 2: Hardness Conversions Aluminum Brass Mild steel Nylon BHN [Experimental value] Rockwell B Hardness Rockwell C Hardness Vickers Hardness Knoop Hardness NALYSIS: Calculate the BHN for all materials. Fill the results in table 1. Show the detail calculation of BHN for one material only.
RESULTS: Table 1: Brinell Hardness Tests Results Test Material Aluminum Brass Mild steel Nylon Maximum Force (N) Dent Diameter (mm) Indenter Diameter (mm) 10 10 10 10 Test time (sec) 15 15 15 15 BHN Table 2: Hardness Conversions Aluminum Brass Mild steel Nylon BHN [Experimental value] Rockwell B Hardness Rockwell C Hardness Vickers Hardness Knoop Hardness NALYSIS: Calculate the BHN for all materials. Fill the results in table 1. Show the detail calculation of BHN for one material only.
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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![Exp. No. 3: Hardness Test
EXPERIMENT 3: BRINELL HARDNESS TEST
RESULTS:
Table 1: Brinell Hardness Tests Results
Test Material
Aluminum
Brass
Mild steel
Nylon
Maximum Force (N)
Dent Diameter (mm)
Indenter Diameter (mm)
10
10
10
10
Test time (sec)
15
15
15
15
BHN
Table 2: Hardness Conversions
Aluminum
Brass
Mild steel
Nylon
BHN [Experimental value]
Rockwell B Hardness
Rockwell C Hardness
Vickers Hardness
Knoop Hardness
ANALYSIS:
1- Calculate the BHN for all materials. Fill the results in table 1.
2- Show the detail calculation of BHN for one material only.
3- Find the ultimate tensile strength based on the Hardness test for Mild Steel.
4. Using conversion tables, find the Rockwell C, Rockwell B, Vickers, and Knoop
hardness numbers for all tested materials [fill the results on table 2 above]
DISCUSSION AND CONCLUSIONS:
1- State two possible sources of error in the experiment.
2- State the importance and the applications of hardness in real life.
3- Can a satisfactory comparison of two dissimilar materials be obtained from
hardness numbers?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F04328daa-a6b3-4b80-a483-63b335c9ac51%2Fb83b5b68-2522-4013-9e70-9de400b75135%2Fdjh79kd_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Exp. No. 3: Hardness Test
EXPERIMENT 3: BRINELL HARDNESS TEST
RESULTS:
Table 1: Brinell Hardness Tests Results
Test Material
Aluminum
Brass
Mild steel
Nylon
Maximum Force (N)
Dent Diameter (mm)
Indenter Diameter (mm)
10
10
10
10
Test time (sec)
15
15
15
15
BHN
Table 2: Hardness Conversions
Aluminum
Brass
Mild steel
Nylon
BHN [Experimental value]
Rockwell B Hardness
Rockwell C Hardness
Vickers Hardness
Knoop Hardness
ANALYSIS:
1- Calculate the BHN for all materials. Fill the results in table 1.
2- Show the detail calculation of BHN for one material only.
3- Find the ultimate tensile strength based on the Hardness test for Mild Steel.
4. Using conversion tables, find the Rockwell C, Rockwell B, Vickers, and Knoop
hardness numbers for all tested materials [fill the results on table 2 above]
DISCUSSION AND CONCLUSIONS:
1- State two possible sources of error in the experiment.
2- State the importance and the applications of hardness in real life.
3- Can a satisfactory comparison of two dissimilar materials be obtained from
hardness numbers?
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