ENGINEERING MATERIALS

 

Materials and manufacturing related consulting work is done under the business name of Engineering Materials.  A partial list of topics examined is provided below.  Some of the files are password protected.  Please contact Joseph_king@hmc.edu for the passwords.

 

 

Wear and creep in polymers

 

Waspaloy hot-working annotated bibliography

 

Graphical inspection using numerical optimization

 

Galvanic potential of 304ss and 17-4Ph couple

 

Microbiological induced corrosion of water well casing

 

Laser -v- TIG Welding of edge welded components

 

Custom 455 Weld and HAZ cracking

 

Hydrogen uptake in Alloy 718 during electro-etch

 

Fracture resistance of pressure tubes in RBMK reactors

 

Segregation and Cracking from melt defects in Custom 455

 

Effects of Hydrogen, Pickling and Gas Flow On Pigtail Formation in 718

 

Effects of Hydrogen and Heat Input on Pigtail Formation in Alloy 718

 

Pigtail Characterization in Alloy 718

 

Pigtail Formation in Alloy 718 Welded Without Hydrogen

 

The Effect of Heat Shrink Field Repair on 17-4 Primary Ring Adapter--AM350 Bellows Combinations

 

Evaluation of Alloy 718 Stock

 

Effects of Heat Lot and Stock Size on Pigtail Formation

 

Literature Review of HAZ Cracking in Alloy 718

 

Effect of Heat Input on Pigtail Formation in Alloy 718

 

Effect of Solution Treat and Age Temperatures on Hardness and Microstructure of Various Alloy 718 Heats

Effect of Age of Pickle Solution and Delay after Pickling in Pigtail Formation in Alloy 718 ID Welds

 

Effect of Diaphragm Profile on Spring Rate Linearity

 

Surface Discoloration During Vacuum Heat Treatment

 

Effect of Welding Speed and Pickling on Pigtail Formation in 718

 

Effect of Welding Speed, Heat Input and Back-up Gas Flow Rate on Pigtail Formation in Alloy 718

 

Evaluation of ID Leak Source in Alloy 718 Welded Bellows

 

Evaluation of Leak Sources in Alloy 718 Welded Bellows

 

Evaluation of Intermetallics Associated with Pigtails in Alloy 718

 

Method for Predicting Flaw Size from Leak Rate

 

Modification of Alloy 718 Solution Treatment Temperature

 

The Effects of Stress Relieving on the Dimensional Stability of Tungsten Carbide Primary Rings and17-4PH Primary Ring Adapters

 

Effects of Primary Ring Adapter Material Strength and Thermal Cycling on Face Stability of C715-2375-028-0800/A715-2375-023-9205 Assemblies

 

Effects of Primary Ring/Primary ring Adapter Roundness on the Distortion of the Primary Ring Induced by Shrink Fit

 

The Effects of Thermal Cycling on the Dimensional Stability of A Tungsten Carbide/17-4PH Seal Assemblies

 

The Effects of Thermal Cycling on the Dimensional Stability of Tungsten Carbide/C276 Seal Assemblies

 

Effects of Stress Relieve on Various Combinations of Primary Rings and Primary Ring Adapters

 

Finite Element Analysis of Various Primary Ring/Primary Ring Adapter Designs

 

The Effects of S7018 on the Face Stability of Various Seal Designs

 

The Effects of Stress Relieve per S7018 on the Corrosion Behavior of 17-4PH in Aerated Sea Water

 

Hydrogen Embrittlement of AM350                       

 

Metallurgical Comparison: TIG-v-Plasma AM350

 

Auger Analysis of Reverse Polarity Welding