Fast Facts

These Fast Facts can be sent via e-mail to readers of this website. Simply submit your request via our [Contact] form on this website, directing your request to "Publications" and referring to the Fast Fact number and title as listed below.

FF #1 Fastener Failure Analysis 
    SEM Photographic "Fingerprints" Identify "Cause" of Failure

FF #2 Russian Made Fastener
    SEM X-ray "Fingerprints" Identify the Coating on Fastener

FF #3 Fastener Failure Analysis
    X-ray Microprobe with SEM Identifies the Cause of Stress Corrosion Failure in Bolt

FF #4 Fastener Failure Analysis
    Failure Modes Typically Found in SAE Grade 5 Bolts

FF #5 Fastener Failure Analysis
    SEM "Fingerprint" Identifies Fatigue Failure in Grade 8 Bolt

FF #6 Fastener Failure Analysis
    Mil STD 1312-5A Inadequate to Identify Potential of Hydrogen Embrittlement Failure

FF #7 Fastener Failure Analysis
    IFI-113 Did Not Identify Potential of Hydrogen Embrittlement Failure in Pan-Head Fasteners

FF #8 Fastener Failure Analysis
    Requirement for baking of Zinc Plated Grade 8 Bolts

FF #9 Selection of Maximum Installation Torque Based on K_Iscc Test Results of Plated Fasteners

FF #10 Fastener Design
    Altering Thread Profile to Minimize Stress Concentration

FF #11 Fastener Failure Analysis
    "Free Machining" Grade Type 410

FF #12 Fastener Failure Analysis
    Intergranular Fractures on Case Hardened Surface

FF #13 Nomogram for Determining ASTM Grain Size

FF #14 Fastener Failure Analysis
    Intergranular Fracture of a Ductile Low-Carbon Steel Fastener

FF #15 Fastener Failure Analysis
    Improper Choice of Stainless Steel for Pins

FF #16 Fastener Failure Analysis
    Rolled Threads and Hydrogen Embrittlement

FF #17 Fastener Failure Analysis
    Rising Load Identifies Hydrogen Embrittlement in Plated Fasteners

FF #18 Fastener Failure Analysis
    Optical and SEM examination identifies cause of Bolt Failure

FF #19 Fastener Failure Analysis
    Evaluating the effects of Processing and the Environment on Screws Using Accelerated LRA RSL-B SCC Test System

FF #20 Fastener Failure Analysis
    Difference of Coating on SCC of Fastener Under Service Conditions

FF #21 Brass Nut Failure Analysis

FF #22 Head Failure in tension Bolt

FF #23 Optimization of Damage Tolerance of Fasteners to Hydrogen Embrittlement

FF #24 Rising step load Accurately Identifies Potential for Hydrogen Embrittlement
    Part 1

FF #25  Rising step load Accurately Identifies Potential for Hydrogen Embrittlement
    Part 2

FF #26 Rising step load Accurately Identifies Potential for Hydrogen Embrittlement
    Part 3

FF #27 Rising Step Load Accurately Identifies Effectiveness of Hydrogen Relief Treatments on Embrittlement due to Zinc Phosphate

FF #28 Notch Effects in Fasteners

FF #29 Failure Analysis
    of Front Axle Rod Bracket and U-bolts

FF #30 Quantifying Plating Baths
    Relative to Hydrogen Embrittlement

FF #31 Similarities/Difference Between Hydrogen Embrittlement and Stress Corrosion Cracking

FF #32 Fastener Failure Analysis
    Identifying the Source of Hydrogen in M10 Fasteners Using the Rising Step Load (RSL™) Accelerated Testing Technique

FF #33 Hydrogen Susceptibility Ratio-HSR
    A Method of Identifying if lots of Fasteners are Susceptible to Hydrogen Stress Cracking Induced by Processing and or the Environment Prior to their Use

FF #34 Hydrogen Uptake Distribution From Barrel Electrodeposited Zinc
    Using ASTM F519 Type 1e Test Specimens and ASTM F1624 Protocol

FF #35 Fastener Failure Analysis
    In-service Failure Mechanism for Case Hardened M6 Fasteners is Duplicated Using the Rising Step Load (RSL™) Accelerated Testing Technique

FF #36 Selection of a Coating for Hydrogen Sensitive Products Based on Rising Step Load (RSL™) Accelerated Testing Results

FF #37 Selection of Baking Time and Temperature
    Baking Parameters Identified for Thin Dense Chrome Plating Process Using Rising Step Load (RSL™) Accelerated testing Protocol

FF #38 Fastener System Design and Analysis
    K_Iscc of Zinc Plated Alloy Steel Determined Using Rising Step Load (RSL™) Accelerated Testing Protocol

FF #39 Process Control Verification to Prevent IHE in Plated or Coated Fasteners

FF #40 Fastener System Design and Analysis
    Coating System Selection Based Upon K_Iscc of an Alloy Steel Determined Using Rising Step Load (RSL™) Accelerated Testing Protocol

FF #41 Hydrogen Assisted Stress Cracking in Fasteners
    The Required Three Elements for Cracking

FF #42 Stainless Steel Washer Failure Analysis
    Root cause of Failure Identified Using Rising Step Load (RSL™) Accelerated Testing Protocol

FF #43 ASTM F1940
    Standard Test Method for Process Control Verification to Prevent IHE in Plated or Coated Fasteners

FF #44 Threshold Stress
    Fracture Morphology Relationship in M10-1.5 Socket Head Cap Screws

FF #45 What is RSL™ Testing is All About
    The Quantitive Measurement of Threshold

FF #46 Quantitative Measurement of Threshold K_Iscc as a Function of Hydrogen Concentration

FF #47 An Application Guideline for ASTM F1940
    Process Control Verification to Prevent IHE in Plated or Coated Fasteners

FF #48 Failure Analysis
    Liquid Metal Embrittlement (LME) of Steels Another Intergranular Cracking Mechanism

FF #49 Failure Analysis
    Effect of Plating Thickness on the Potential for Hydrogen Embrittlement

FF #50 Hydrogen Assisted Cracking Threshold
    The Role of Hydrogen Concentration

FF #51 Internal Hydrogen Embrittlement
    The Pitfalls of Using a Soak Pickle of High-Strength Parts

FF #52 Internal Hydrogen Embrittlement
    How Long Can I Wait Before I Bake an Electroplated Part?

FF #53 Hydrogen Embrittlement Testing        Part 1
    Time-to-Failure/Sustained Load Test (TTF/SLT) What Does it Tell Us About Product Safety?

FF #54 Hydrogen Embrittlement Testing        Part 2
    Time-to-Failure/Sustained Load Test (TTF/SLT) What Does it Tell Us About Product Safety?

FF #55 Hydrogen Embrittlement Testing        Part 3
    Time-to-Failure/Sustained Load Test (TTF/SLT) What Does it Tell Us About Product Safety?

FF #56 Hydrogen Embrittlement Testing        Part 4
    Time-to-Failure/Sustained Load Test (TTF/SLT) What Does it Tell Us About Product Safety?

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