Jominy End Quench Test Lab Report
1. Introduction
The Jominy end-quench test is a technique that has the ability to harden the steel by quenching. It is an essential feature of materials that determine the material’s selection for particular applications. The different types of steels and alloys that are used for hardening in an industry are done by this test and considering that this test is a standardised experiment [1].
1.1 Aim
The specimens that are used in this test are normalized in accordance with the standards. The purpose of this experiment is to analyse the hardenability of the three materials such as EN-3 (1015), EN-8 (1040) and EN-24 (4340).
1.2 Objectives
The test has following objectives, to check the hardenability of different metals, the effect of carbon on the material’s hardenability and the comparison of the link between the microstructure and the cooling rate [1].
1.3 Additional Comments
The results are plotted as functions of distance from the quenched end, yielding hardenability curves.
2. Literature Review
The Jominy end-quench test is a commonly used standardized procedure to determine hardenability [1]. Hardenability refers to a steel capability to be hardened to a specific depth according to specific …show more content…
This can be done though the Vickers, Brinell, Knoop, or Rockwell hardness tests. The Vickers hardness test consists of using a square pyramidal diamond indenter, whilst the Rockwell hardness test uses a conical diamond pyramid, or a hardened steel ball [5]. The Brinell hardness test makes use of a 10mm sphere steel or tungsten carbide ball and the Knoop hardness test employs a diamond pyramid indenter [1]. The hardness test readings are measured along measured intervals on the specimen from the quenched end thereof. The recorded values of the hardness test are graphed as a function of their position in distance from the quenched end, resulting in a hardenability curve as seen in Figure 3
The Jominy end-quench test is a technique that has the ability to harden the steel by quenching. It is an essential feature of materials that determine the material’s selection for particular applications. The different types of steels and alloys that are used for hardening in an industry are done by this test and considering that this test is a standardised experiment [1].
1.1 Aim
The specimens that are used in this test are normalized in accordance with the standards. The purpose of this experiment is to analyse the hardenability of the three materials such as EN-3 (1015), EN-8 (1040) and EN-24 (4340).
1.2 Objectives
The test has following objectives, to check the hardenability of different metals, the effect of carbon on the material’s hardenability and the comparison of the link between the microstructure and the cooling rate [1].
1.3 Additional Comments
The results are plotted as functions of distance from the quenched end, yielding hardenability curves.
2. Literature Review
The Jominy end-quench test is a commonly used standardized procedure to determine hardenability [1]. Hardenability refers to a steel capability to be hardened to a specific depth according to specific …show more content…
This can be done though the Vickers, Brinell, Knoop, or Rockwell hardness tests. The Vickers hardness test consists of using a square pyramidal diamond indenter, whilst the Rockwell hardness test uses a conical diamond pyramid, or a hardened steel ball [5]. The Brinell hardness test makes use of a 10mm sphere steel or tungsten carbide ball and the Knoop hardness test employs a diamond pyramid indenter [1]. The hardness test readings are measured along measured intervals on the specimen from the quenched end thereof. The recorded values of the hardness test are graphed as a function of their position in distance from the quenched end, resulting in a hardenability curve as seen in Figure 3