• Cooling Behavior of Microalloyed Forging Steels Report 

  Microalloyed forging steels require cooling rates greater than still air to obtain the best form of precipitates and increase streng

• Application of High Strength Microalloyed Steel in a New Automotive Crankshaft 

  In this paper, the development and choice of steel for a new crankshaft application are used to illustrate the stages in the process of selecting materials for new applications.

• New Microalloyed Steel Applications for the Automotive Sector 

  This paper reviews and compares the various approaches available and under development for automotive components manufactured from bar and forging steels.

• High Strength, High Toughness Microalloyed Steel Forgings Produced Using Relaxed Forging Conditions 

  This research has demonstrated that low-carbon compositions, when subjected to proper RCF processing, are capable of being refined to equivalent circular prior austenite grain diameters approaching 10µm.

• Microstructure and Properties of Medium-Carbon Steels Microalloyed with Vanadium and Niobium 

  This paper presents the results of an investigation performed on a series of steels with systematic variations in composition designed to evaluate the effects of V and V plus Nb on the microstructure and mechanical properties as-rolled steels at carb

• Prior Austenite Grain Size and Tempering Effects 

  This paper evaluates the effects of variations in austenitizing and prior austenite grain size on dislocation density and microhardness in niobium-microalloyed low-carbon steels with lath martensitic microstructures in as-quenched, low-temperature te

• Hot Deformation Microstructure and Properties of Medium-Carbon Microalloyed Forging Steels 

  Forging simulation tests were perfonned at various temperatures and cooling rates on ferritic/pearlitic (PIP) and nontraditional bainitic microalloyed steels containing 0.30% C, 1.46% Mn, 0.039% S and 0.098% V, and 0.24% C, 1.55% Mn,0.54% Si, 0.23% M

• Precipitation and Fine Structure in MediumCarbon Vanadium and Vanadium/Niobium Microalloyed Steels 

  The purpose of the investigation described in this paper was to extend the characterization of the fine structures produced in microalloyed medium-carbon steels.

• Mechanical Properties of a Vanadium Microalloyed Air-cooled Forging Steel 

  The focus of the present paper is on the mechanical properties of a 38MnSiVS5 microalloyed steel, which has undergone a typical reheat cycle prior for forging, and with various aluminum (Al) additions.

• Contributions of Vanadium to Properties of Heat Treated Medium Carbon Forging Steels 

  Potential benefits of vanadium in heat treated medium carbon bar steels are considered by reviewing examples from several recent studies.

• Thermomechanical Simulation and Microstructural Analysis of Microalloyed Medium Carbon Bar Steels 

  This study examines the evolution of microstructures during conventional and thermomechanical rolling for three 0.45 wt pct carbon steels containing 0.02 wt pct Al, 0.09 wt pct V and 0.09 wt pct V plus 0.02 wt pct Nb produced on an industrial bar mil

• High Strength, High Toughness Microalloyed Steel Forgings Produced... 2017 

  The final goal of the experiment proposed herein will be to implement various steel compositions designed for use in the Recrystallization Controlled Forging system, and implement several differing cooling conditions to provide desirable strength and

• Vanadium and Aluminum Competition for Nitrogen in Micro Alloyed Forging Steels 

  The objective of the present study was to examine the influence of aluminum (Al) on V microalloying additions during the heating cycles during a forging process

• Short-Rod Fracture Toughness Testing of Microalloyed Steels 

  The results of the chevron-notched short-rod samples were shown to correlate with Charpy v-notch impact data obtained previously.

• Hot Deformation Behavior of Several Microalloyed Forging Steels 

  The flow stress behavior as a function of processing conditions was investigated for five different microalloyed forging steels.

• Microstructural Evolution in Microalloyed Steels with High-Speed Thermomechanical Bar & Rod Rolling 

  The following sections describe experiments that were conducted to illustrate the effects of thermomechanical rolling of bars on the microstructures, and the influence of these microstructures on subsequent heat treatment.

• A Comparison of Mechanical Properties in V and V+Nb Forging Steels 

  This project was initiated to further this understanding by comparing the mechanical properties of plain carbon forging steels with varied microadditions of vanadium and vanadium with niobium.

• Applicability of the Short Rod Fracture Toughness Test to New Microalloyed Bar Steels 

  The short rod test, which offers many advantages including adaptability to dimensional requirements and inexpensive specimen preparation, was evaluated.

• High Strength, High-Toughness Microalloyed Steel Forgings 

  Aaron Stein, FIERF Graduate Fellow, Basic Metals Processing Research Institute, Mechanical Engineering and Materials Science Department, University of Pittsburgh, June, 2017

• Cooling Behavior of Microalloyed Forging Steels 

  The objective of the current study was to experimentally evaluate three microalloyed forging steels to determine the critical cooling rate which produces a ferrite-pearlite microstructure with highest hardness.