Effect of heat treatment schedules on the resistance to brittle failure of low-alloy plate steel 09G2S

1990 ◽  
Vol 32 (12) ◽  
pp. 891-895
Author(s):  
V. M. Goritskii ◽  
G. R. Shneiderov ◽  
T. G. Zaitseva
Keyword(s):  
Heat Treatment ◽  
Brittle Failure ◽  
Plate Steel ◽  
Alloy Plate ◽  
Steel 09G2s

MTD 3

Alloy Digest ◽  
2017 ◽  
Vol 66 (9) ◽  
Keyword(s):  
Heat Treating ◽  
Plate Steel ◽  
Alloy Plate ◽  
Plate Steels

Abstract MTD 3 is a Mn-Cr-Mo-V plate steel used in cavity molds. ArcelorMittal USA MTD steels comprise a family of prehardened alloy plate steels developed for a variety of mold, tool, and die applications. This datasheet provides information on composition. It also includes information on forming, heat treating, machining, and joining. Filing Code: SA-798. Producer or source: ArcelorMittal USA, Plate.

Effect of Heat Treatment on the Structure and Properties of EW75 Magnesium Alloy Plate

2013 ◽  
Vol 747-748 ◽  
pp. 158-165
Author(s):  
Juan Qu ◽  
Kui Zhang ◽  
Ming Long Ma ◽  
Yong Jun Li ◽  
Xing Gang Li
Keyword(s):  
Heat Treatment ◽  
Solid Solution ◽  
Tensile Strength ◽  
Solution Process ◽  
Solution Time ◽  
Solution Temperature ◽  
Second Phase ◽  
Alloy Plate ◽  
T6 Heat Treatment ◽  
The Matrix

In this study, Mg-7Gd-5Y-1Nd-0.5Zr alloy (EW75) was produced by melting method and then press-forged into large size plate. The properties of the Mg-7Gd-5Y-1.2Nd-0.5Zr alloy were optimized through T6 heat treatment. The microstructures of alloy were observed by means of optical microscopy (OM), scanning electron microscopy (SEM). Its mechanical properties under different heat treatment conditions were determined by tensile tests. The results indicated that increasing the solid solution temperature and prolonging the solid solution time can both lead to the dissolution of second phase in the alloy back into the matrix. The solid solution temperature affects the dissolution process more than the solid solution time. Grain growth occurred during the solid solution process. The grain size of the matrix enlarges with the increase of solid solution temperature. The tensile test result showed that the tensile strength of the alloy was significantly improved after T6 heat treatment. Its tensile strength in the same direction was nearly 40% up after T6 heat treatment. The analysis shows that T6 heat treatment can effectively eliminate the larger deformed precipitates and beneficial to the formation of hard precipitates, which leads to an improvement in the alloys tensile strength.

Effect of Heat Treatment on the Damage Tolerance Properties of Ti-6Al-2Zr-2V-1.5Mo ELI Alloy Plate

2011 ◽  
Vol 690 ◽  
pp. 282-285
Author(s):  
Xiao Xiang Wang ◽  
Song Xiao Hui
Keyword(s):  
Heat Treatment ◽  
Fracture Toughness ◽  
Fatigue Crack ◽  
Annealing Temperature ◽  
Damage Tolerance ◽  
Phase Zone ◽  
Alloy Plate ◽  
Β Phase ◽  
Α Phase ◽  
Treatment Conditions

Effect of heat treatment on the damage tolerance properties of a newly developed middle strength high damage tolerance Ti-6Al-2Zr-2V-1.5Mo ELI alloy plate has been investigated in this paper by testing fracture toughness and fatigue crack-extending rate of the plate under three heat treatment conditions and fractograph inspection of the samples. It has been found that with the increasing of the primary annealing temperature from 900°C to 950°C, the fracture toughness increased and the fatigue crack extending rate decreased significantly. Microstructural observation has found that the crack expanded through the α beaming and mainly are perpendicular to the α orientation in the lamellar structure which annealed in α+β phase zone. For the Widmanstaten structure, which can be obtained from annealing in single β phase zone, the continuous grain boundary α phase and α beaming boundary hinder the crack expanding significantly.

Influence of Heat Treatment on Properties of 2219AA-T6 FSW Joints

2014 ◽  
Vol 590 ◽  
pp. 187-191 ◽  
Author(s):  
Chuan Hong Luo ◽  
Wei Ping Peng ◽  
Ting Chen ◽  
Fei Bo Dong
Keyword(s):  
Mechanical Properties ◽  
Heat Treatment ◽  
Friction Stir Welding ◽  
Joint Strength ◽  
Alloy Plate ◽  
Friction Stir ◽  
Transverse Tensile ◽  
Aluminum Alloy Plate ◽  
Transverse Tensile Strength ◽  
Short Time

The joint of 2219-T6 aluminum alloy plate was obtained by friction stir welding, and the microstructures and mechanical properties of the joint were investigated. The causes of the weakened joint strength in friction stir welding were analyzed and summarized correspondingly. The tensile properties show that the transverse tensile strength of the joint can reach about 70% of the base metal. Through the heat treatment of recrystallization with high temperature and at short time, the joint can restore the ductility and eliminate the softening, which will improve the performance in mechanical intensity of the joint.

scholarly journals Quenching and tempering parameter on Indonesian hot rolled plate steel for armour steel

2018 ◽  
Vol 204 ◽  
pp. 05001 ◽  
Author(s):  
Yurianto ◽  
Pratikto ◽  
Rudy Sonoko ◽  
Wahyono ◽  
A.P. Bayuseno
Keyword(s):  
Heat Treatment ◽  
Impact Energy ◽  
High Strength ◽  
Rolled Plate ◽  
Plate Steel ◽  
Direct Pressure ◽  
Hot Rolled ◽  
Temper Heat Treatment ◽  
Armour Steel ◽  
Quenching And Tempering

Armour steel is a high strength and hardness steel used to protect damage by an object, individual or vehicle from the direct pressure of projectile. This steel used for military and commercials equipment in Indonesia and produced out of hot rolled plate steel made by PT. Krakatau Steel (Persero) Cilegon, Banten, Indonesia. By using quench (with water sprayed) and temper heat treatment produced Quenched & Tempered Steels. The aim of the study to obtain optimum quenching and tempering parameter in hardness and impact energy of HRP Steel. Method of this study by optimizing austenite temperature; austenite holding time; temper temperatures; hardness and impact energy. The result of this study is austenite temperatures 900°C (held 45 minutes) and temper temperatures 125°C (held 45 minutes). Prediction of both hardness and impact energy is 569.96 HVN (536.00 BHN) and 30.50 J respectively.

MTD 2

Alloy Digest ◽  
2017 ◽  
Vol 66 (8) ◽  
Keyword(s):  
Plate Steel ◽  
Alloy Plate ◽  
Hardened Alloy ◽  
Plate Steels

Abstract MTD 2 is mold base quality, Mn-Cr-Mo plate steel. It is commonly used in holder blocks, clamping plates, and support plates. ArcelorMittal USA MTD steels comprise a family of pre-hardened alloy plate steels developed for a variety of mold, tool, and die applications. This datasheet provides information on composition. It also includes information on forming, machining, and joining. Filing Code: SA-794. Producer or source: ArcelorMIttal USA, Plate.

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