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Basic Mechanisms of Slurry Erosion & Possible Methods of Prediction

COURSE NO: T05-007
PDH CREDIT: 5
COURSE PROVIDER: William Hauserman, P.E.
Basic Mechanisms of Slurry Erosion & Possible Methods of Prediction
Course Highlights

This online engineering PDH course will present and define, the different mechanisms and process variables that effect rates of erosion of equipment components by slurries of severely or even mildly erosive solids, with examples of research data for potential methods of prediction.

 

Whenever any slurry of fine suspended solid particles flows through piping or equipment, such as pumps and valves, erosive wear of containing surfaces is inevitable, often rapid and eventually destructive. The rate of surface loss is proportional to the relative hardness of particle and surface, and the physical properties of surface and particles, as well as their shape. The surface may be amorphous or crystalline, and subject to erosive damage by brittle fracture or ductile gouging. The concentration of damage is greatest at points of high velocity and turbulence, such as passage through control valves or centrifugal pumps. 

 

Hardness is measured in different ways, such as by various penetration tests, which are measures of ductile deformation, or scratch tests that measure brittle fracture.  Equivalence of data for these methods is often uncertain.  Hardness of any material, whether mineral, metallic or organic, can be easily measured if fairly large sample surfaces are available.  Many slurries, however, consist of materials for which no large particles are available, and are often mixtures of many different substances.  There is therefore a need for credible means of measurement of the effective hardness of fine solids.   

  

This 5 PDH online course is applicable to mechanical or chemical engineers who are interested in learning about design of processes equipment handling flowing slurries of abrasive materials and prediction of rates of destructive erosion of equipment surfaces.
Learning Objectives

This PE continuing education course is intended to provide you with the following specific knowledge and skills:

  • Understanding the fundamental mechanisms of erosion of surfaces by flowing slurries
  • Gaining a general overview on the difficulty of accurate measurement of hardness
  • Familiarizing with the evaluation of available reference data for measurement of hardness of materials selected for slurry handling equipment
  • Understanding and devising experimental methods to predict relative erosion rates for different materials and equipment design
Course Document
To complete this engineering CEU course, you need to review the course document titled, “Basic Mechanisms of Slurry Erosion & Possible Methods of Prediction” by William B. Hauserman P.E..
To view, print and study the course document, please click on the following link(s):
BASIC MECHANISMS OF SLURRY EROSION & POSSIBLE METHODS OF PREDICTION (2.0 MB)
Course Quiz
Once you complete your course review, you need to take a multiple-choice quiz consisting of twenty five questions to earn 5 PDH credits. The quiz will be based on the entire document.
The minimum passing score is 70%. There is no time limit on the quiz, and you can take it multiple times until you pass at no additional cost.
Certificate of Completion

Upon successful completion of the quiz, print your Certificate of Completion instantly. (Note: if you are paying by check or money order, you will be able to print it after we receive your payment.) For your convenience, we will also email it to you. Please note that you can log in to your account at any time to access and print your Certificate of Completion.

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