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CWII-30 (GROUP 2)DESTRUCTIVE TEST REPORT


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DESTRUCTIVE TEST REPORT

BACKGROUND

Destructive testing or Mechanical testing plays an important role in evaluating fundamentalproperties of engineering materials as well as in developing new materials and in controlling the

quality of materials for use in design and construction. If a material is to be used as part of anengineering structure that will be subjected to a load, it is important to know that the material is

strong enough and rigid enough to withstand the loads that it will experience in service. As aresult engineers have developed a number of experimental techniques for mechanical testing of

engineering materials subjected to tension, compression, bending or torsion loading.

EXPERIMENTAL TEST DETAILS

DATE / TIME : 16 JUNE 2013 / 9AM 3PM

VENUE : PT. Hi-Test (LABORATORY OF MECHANICAL TEST)

Century Park, Block F No. 6 7, Batam

LECTURER : MR. ALFERO

MR. ZULKIFLI


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I. TENSILE TEST1. DEFINITION

Tension test is widely used to provide basic design information on the strength of materials

and is an acceptance test for the specification of materials. The major parameters that

describe the stress-strain curve obtained during the tension test are the tensile strength (UTS),yield strength or yield point (y), elastic modulus (E), percent elongation (L%) and the

reduction in area (RA%).

2. TENSILE TEST TYPEA. TENSILE TEST ON MATERIAL

TRANSVERSE DIRECTION LONGITUDINAL DIRECTION

B. TENSILE TEST ON WELDMENT TRANSVERSE DIRECTION

TENSILE TEST EXPERIMENTAL SUMMARY

A. TENSILE TEST ON MATERIAL Type of Test : Material tensile test Environment Temp. : 25 20C Material Spec : ASTM A 106 Grade B Marked : No WPS/IKBAL/WI Reference Code : AWS D1.1 (2010) Test Code : ASTM A370-12 Testing Machine : GOTECH GT-7001-LS50


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TEST RESULT :


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B. TENSILE TEST ON WELD MENT Type of Test : Reduction section tensile test (Transversal Speciment) Environment Temp. : 25 20C Material Spec : ASTM A 106 Grade B Marked : No WPS/IKBAL/WI Reference Code : AWS D1.1 (2010) Fig.4.14 Test Code : ASTM A370-12 Testing Machine : GOTECH GT-7001-LS50

TEST RESULT :


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II. BENDING TEST

1. DEFINITION

Bend testing determines the ductility or the strength of a material by bending the material

over a given radius. Following the bend, the sample is inspected for cracks on the outer

surface. Bend testing provides insight into the modulus of elasticity and the bending strengthor a material. Metallurgical offers three and four point bend setups with interchangeable

rollers for a variety of test configurations.

2. BENDING TEST TYPE SIDE BEND TRANSVERSAL FACE BEND TRANSVERSAL ROOT BEND LONGITUDINAL FACE BEND LONGITUDINAL ROOT BEND

BENDING TEST EXPERIMENTAL SUMMARY

Type of Test : Bending test Environment Temp. : 25 20C Material Spec : ASTM A 106 Grade B Marked : No WPS/IKBAL/WI Reference Code : AWS D1.1 (2010) Test Code : ASTM E190-92 (Reapproved 2003) Test Specimen Width : 15 mm Test Specimen Thickness : 10 mm Former Diameter : 38 mm Shoulder Distance : 60 MM Bend Angle : 180 degree Testing Machine : Motor Pump Machine HT-TM001


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BENDING TEST SPECIMEN

BEFORE TEST

BENDING TEST SPECIMEN

AFTER TEST

Discontinuity of opening was observed at

TRANSVERSAL ROOT BEND

Result: REJECTED


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III. IMPACT TEST

1. DEFINITION

The Impact test, also known as the Charpy V-notch test, is a standardized high strain-rate test

which determines the amount of energy absorbed by a material during fracture. This absorbed

energy is a measure of a given material's notch toughness and acts as a tool to studytemperature-dependent ductile-brittle transition.

2. IMPACT TEST TYPE TRANSVERSAL LONGITUDINAL

IMPACT TEST EXPERIMENTAL SUMMARY

Type of Test : Charpy Impact test (Transversal & Longitudinal) Environment Temp. : 25 20C Material Spec : ASTM A 106 Grade B Marked : No WPS/IKBAL/WI Reference Code : AWS D1.1 (2010) Test Code : ASTM E23-07a Testing Machine : Tinius Olsen Testing Machine IT406


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IMPACT TEST SPECIMEN

BEFORE TEST

IMPACT TEST SPECIMEN

AFTER TEST


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TEST RESULT :


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IV. HARDNESS TEST

1. DEFINITION

Hardness tests are used to determine the hardness of a material to deformation. Several such

tests exist, wherein the examined material is indented until an impression is formed; these

tests can be performed on a macroscopic or microscopic scale.

2. HARDNESS TEST TYPE VICKERS HARDNESS (HV) MACRO HARDNESS

HARDNESS TEST EXPERIMENTAL SUMMARY

A. VICKERS HARDNESS (HV) Type of Test : Vickers Hardness Examination Environment Temp. : 25 20C Material Spec : ASTM A 106 Grade B Marked : No WPS/IKBAL/WI Reference Code : AWS D1.1 (2010 Test Code : ASTM E92-82 (2003) Testing Machine : Mitutoyo, HV-113


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B. MACRO HARDNESS Type of Test : Macro Hardness Examination Environment Temp. : 25 20C Material Spec : ASTM A 106 Grade B Marked : No WPS/IKBAL/WI Reference Code : AWS D1.1 (2010 Test Code : ASTM E340-00 (Reapproved 2006)


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HOMEWORK


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IMPACT TEST ACCEPTANCE CRITERIA

(AWS D1.1)

IMPACT TEST ACCEPTANCE CRITERIA

(ABS RULES)


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TUGAS TENSILE TEST

1. Tegangan teknik adalah tegangan yang terjadi pada saat atau hingga m unculnya nilaiultimate tensile.

Regangan teknik adalah regangan yang terjadi sebelum menuju area deformasi plastis ,

atau daerah yield.

2. Dari pengujian apakah dapat dihitung modulud elastic.Dapat. Karena saat preparation kita membuat panjang awal , yang nanti didapat panjang

akhir, dengan rumus yang ada.

TUGAS IMPACT TEST

1. Apa Kegunaan temperature transisi.?Untuk menempatkan suatu material atau suatu sambungan las lasan pada suatu posisi,daerah pada suhu yang berbeda beda, contoh : jika diperlukan material yang akandigunakan pada area tertentu dgn suhu dibawah -38, maka kita gunakan material ABS

Grade EH 36

2. Factor yang mempengaruhi harga impact ?Suhu dan Jenis material

3. Patah Ulet dan Patah Getas perbedaannya adalah:Shear area patah getah kurang dari 10 % sedangkan shear area patah ulet diatas 50%,Nilai impact patah getas lebih rendah disbanding patah ulet.Patah ulet lebih kuat disbanding patah getas

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