Staehle Consulting, Principal, Roger W. Staehle, Ph.D., NAE
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It is with great sadness that we announce the passing of Dr. Roger W. Staehle, an international giant in the field of metallurgy and corrosion. Roger made enormous scientific and engineering contributions to these fields, but was best known for his friendship, generosity, and drive to support and recognize the work of others—no one "out-gave" Roger.

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Staehle and his clients
 

Staehle has been studying corrosion since 1956, including advanced scientific topics at the university level and consulting aspects from simple domestic problems to complex nuclear and deep-ocean problems.  Staehle helps clients to find resolutions to problems in the corrosion and degradation of engineering materials.  These problems involve design, materials, environments, and operations. 

The first step in finding resolutions involves collecting detailed data.  Once the details are adequately identified and quantified, Staehle helps his clients to develop an approach to resolution and mitigation.

Staehle has a detailed background in the engineering and science affecting corrosion.  He has taught corrosion topics in the university and in industrial courses; he has participated in the development of engineering equipment.

TStaehle Presentingypical client inquiries

  • Why did this material/component fail?
  • What is the most reliable and fastest way to fix?
  • How long should the original material/component have lasted?
  • How long will the fixed material/component last and under what conditions?
  • How should we operate to prevent further failures?

Comprehensive range of consulting experience

  • Expert witness in litigation: advise lawyers, prepare technical case, depositions, coordinate technical witnesses, testify.
  • Organize and conduct research for clients.
  • Manage, coordinate and direct consulting groups.
  • Advise industries and governments—domestic and international.
  • Connect people and industries—domestic and international.
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Experience in corrosion
Steahle in the laboratory

Corrosion and degradation phenomena

  • Corrosion and degradation: atmospheric, fatigue, crevice, flow-assisted, galvanic, general, hydrogen embrittlement, intergranular, microbial, pitting, stress corrosion
  • Explosions
  • Accidents

Approaches to mitigating corrosion

  • Changing materials
  • Reducing residual stresses
  • Surface treatments
  • Inhibitors
  • Heat treatments
  • Changing design
  • Changing operations

Predicting rate and occurrence of corrosion

  • Effects of stress and temperature
  • Effects of bulk and local environments
  • Effects of impurities
  • Probabilistic factors
  • Distribution of data

Materials, Stress, Environment

Consultants to industries

  • Aerospace
  • Appliances
  • Architectural
  • Automotive
  • Biomedical
  • Bridges
  • Buildings
  • Chemicals
  • Condensers
  • Consumer products
  • Electronic
  • Food
  • Fossil power
  • Insurance
  • Legal
  • Manufacturing
  • Nuclear power
  • Nuclear waste
    storage
  • Offshore petroleum
  • Paper
  • Petroleum exploration and refining
  • Pipelines
  • Ships
  • Sporting equipment
  • Turbines
  • Water distribution
  • Water treatment

Materials

General

  • Pure metals
  • Alloys
  • Brick panels
  • Plating
  • Post-tension concrete
  • Reinforced concrete
  • Cables

Alloys

  • Carbon and low-alloy steels
  • Stainless steels
  • High-nickel alloy
  • Copper alloys
  • Aluminum alloys
  • Titanium alloys
  • Zirconium alloys

Pure metals

  • Aluminum
  • Chromium
  • Copper
  • Hafnium
  • Iron
  • Lead
  • Magnesium
  • Nickel
  • Niobium