David Brown |

Kurtis Gann |

John Creekmore |
great course

Brian Felicita |
Good material

Carlos Melchor |

James Davison |
More theoretical than practical

Benjamin Baker |

Coleman Risch |

Timothy Davis |

Joseph Crosson |

Richard Kiser |

Mark Ezra |
Difficult to understand the issues of continued life of a part having an internal crack

Jeffrey Churchill |
Good course. I learned a lot. Thank you.

ERIC WHITAKER |
Solid introduction to the subject.

Richard Cronin |
Very good course. Suggest adding definitions for P5 and PQ to section 6
1.4.

Ryan Dunn |
very detailed info on basic crack propagation theory.

David Valletta |
Really interesting course!

Ronald Cobb |

Charles Venditti |
Interesting review of crack science.

Jeffrey Greene |
Very good course which helped to demystify portions of the relevant ASME standards for crack testing.

Peter Schmidt |

John Smith |
Good subject matter

Jonathan Stock |
Good Course

JOHN KRON |

Daniel Vallelian |
Good Course

William Deaton |
Very informative.

Sandeep Mehta |
Good to know about cracks.

Glen Ward |

Lawrence Allen |
a great refresher course

Thomas Slaydon |
too much unexplained math with out defining parameters and no few examples